diff --git a/aclitem.go b/aclitem.go
index 4da962dd..a54955eb 100644
--- a/aclitem.go
+++ b/aclitem.go
@@ -65,6 +65,7 @@ func (src *ACLItem) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/aclitem_array.go b/aclitem_array.go
index d8bf3303..2671022b 100644
--- a/aclitem_array.go
+++ b/aclitem_array.go
@@ -79,6 +79,7 @@ func (src *ACLItemArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/bool.go b/bool.go
index 0574588d..22774970 100644
--- a/bool.go
+++ b/bool.go
@@ -59,6 +59,7 @@ func (src *Bool) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/bool_array.go b/bool_array.go
index 623937dc..1aefcd27 100644
--- a/bool_array.go
+++ b/bool_array.go
@@ -81,6 +81,7 @@ func (src *BoolArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/bpchar_array.go b/bpchar_array.go
index d1ee2419..dd4a8363 100644
--- a/bpchar_array.go
+++ b/bpchar_array.go
@@ -81,6 +81,7 @@ func (src *BPCharArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/bytea.go b/bytea.go
index 4506dc31..064f199a 100644
--- a/bytea.go
+++ b/bytea.go
@@ -59,6 +59,7 @@ func (src *Bytea) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/bytea_array.go b/bytea_array.go
index 68122961..fc07d103 100644
--- a/bytea_array.go
+++ b/bytea_array.go
@@ -81,6 +81,7 @@ func (src *ByteaArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/cidr_array.go b/cidr_array.go
index 338d4904..62b0ca65 100644
--- a/cidr_array.go
+++ b/cidr_array.go
@@ -110,6 +110,7 @@ func (src *CIDRArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/date.go b/date.go
index 85c698aa..3f8d188a 100644
--- a/date.go
+++ b/date.go
@@ -67,6 +67,7 @@ func (src *Date) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/date_array.go b/date_array.go
index d04666f1..6d6c0899 100644
--- a/date_array.go
+++ b/date_array.go
@@ -82,6 +82,7 @@ func (src *DateArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/enum_array.go b/enum_array.go
index 7168cb8a..5de2badf 100644
--- a/enum_array.go
+++ b/enum_array.go
@@ -79,6 +79,7 @@ func (src *EnumArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/ext/satori-uuid/uuid.go b/ext/satori-uuid/uuid.go
index 78a90035..baebc5ed 100644
--- a/ext/satori-uuid/uuid.go
+++ b/ext/satori-uuid/uuid.go
@@ -78,6 +78,7 @@ func (src *UUID) AssignTo(dst interface{}) error {
 			if nextDst, retry := pgtype.GetAssignToDstType(v); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case pgtype.Null:
 		return pgtype.NullAssignTo(dst)
diff --git a/ext/shopspring-numeric/decimal.go b/ext/shopspring-numeric/decimal.go
index 507a93dc..7c1cd770 100644
--- a/ext/shopspring-numeric/decimal.go
+++ b/ext/shopspring-numeric/decimal.go
@@ -205,6 +205,7 @@ func (src *Numeric) AssignTo(dst interface{}) error {
 			if nextDst, retry := pgtype.GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case pgtype.Null:
 		return pgtype.NullAssignTo(dst)
diff --git a/float4_array.go b/float4_array.go
index 4e07ba43..b14161e8 100644
--- a/float4_array.go
+++ b/float4_array.go
@@ -81,6 +81,7 @@ func (src *Float4Array) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/float8_array.go b/float8_array.go
index e4c340b2..60e87236 100644
--- a/float8_array.go
+++ b/float8_array.go
@@ -81,6 +81,7 @@ func (src *Float8Array) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/hstore.go b/hstore.go
index 754c5a3f..8a84fe2a 100644
--- a/hstore.go
+++ b/hstore.go
@@ -68,6 +68,7 @@ func (src *Hstore) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/hstore_array.go b/hstore_array.go
index 239c5d9c..19d07686 100644
--- a/hstore_array.go
+++ b/hstore_array.go
@@ -81,6 +81,7 @@ func (src *HstoreArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/inet.go b/inet.go
index d93e6347..dfdd8868 100644
--- a/inet.go
+++ b/inet.go
@@ -86,6 +86,7 @@ func (src *Inet) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/inet_array.go b/inet_array.go
index 7b4cf457..51ad7988 100644
--- a/inet_array.go
+++ b/inet_array.go
@@ -110,6 +110,7 @@ func (src *InetArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/int2_array.go b/int2_array.go
index 5b4c2e1a..e3b9f64b 100644
--- a/int2_array.go
+++ b/int2_array.go
@@ -109,6 +109,7 @@ func (src *Int2Array) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/int4_array.go b/int4_array.go
index 77ad8654..ad75c4b5 100644
--- a/int4_array.go
+++ b/int4_array.go
@@ -128,6 +128,7 @@ func (src *Int4Array) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/int8_array.go b/int8_array.go
index 03b169d2..ae8d8e0f 100644
--- a/int8_array.go
+++ b/int8_array.go
@@ -109,6 +109,7 @@ func (src *Int8Array) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/interval.go b/interval.go
index 75969904..9172e14a 100644
--- a/interval.go
+++ b/interval.go
@@ -69,6 +69,7 @@ func (src *Interval) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/macaddr.go b/macaddr.go
index 79004be4..6854400b 100644
--- a/macaddr.go
+++ b/macaddr.go
@@ -65,6 +65,7 @@ func (src *Macaddr) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/macaddr_array.go b/macaddr_array.go
index c6bc2450..2d0439e9 100644
--- a/macaddr_array.go
+++ b/macaddr_array.go
@@ -82,6 +82,7 @@ func (src *MacaddrArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/numeric.go b/numeric.go
index fb6e1a00..91aff123 100644
--- a/numeric.go
+++ b/numeric.go
@@ -250,6 +250,7 @@ func (src *Numeric) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/numeric_array.go b/numeric_array.go
index 0d26f3b5..ec892cc8 100644
--- a/numeric_array.go
+++ b/numeric_array.go
@@ -165,6 +165,7 @@ func (src *NumericArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/record.go b/record.go
index 64c6f13a..315deda5 100644
--- a/record.go
+++ b/record.go
@@ -62,6 +62,7 @@ func (src *Record) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/text.go b/text.go
index 919743fe..648bbd58 100644
--- a/text.go
+++ b/text.go
@@ -69,6 +69,7 @@ func (src *Text) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/text_array.go b/text_array.go
index 88171d6c..1556fec8 100644
--- a/text_array.go
+++ b/text_array.go
@@ -81,6 +81,7 @@ func (src *TextArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/timestamp.go b/timestamp.go
index f8a4070d..93383e35 100644
--- a/timestamp.go
+++ b/timestamp.go
@@ -71,6 +71,7 @@ func (src *Timestamp) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/timestamp_array.go b/timestamp_array.go
index 493088a2..1fd1eefe 100644
--- a/timestamp_array.go
+++ b/timestamp_array.go
@@ -82,6 +82,7 @@ func (src *TimestampArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/timestamptz.go b/timestamptz.go
index ca9b538d..c2c91c29 100644
--- a/timestamptz.go
+++ b/timestamptz.go
@@ -72,6 +72,7 @@ func (src *Timestamptz) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/timestamptz_array.go b/timestamptz_array.go
index 612e9904..b87238ae 100644
--- a/timestamptz_array.go
+++ b/timestamptz_array.go
@@ -82,6 +82,7 @@ func (src *TimestamptzArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/typed_array.go.erb b/typed_array.go.erb
index b33e7d99..3ee637aa 100644
--- a/typed_array.go.erb
+++ b/typed_array.go.erb
@@ -81,6 +81,7 @@ func (src *<%= pgtype_array_type %>) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/uuid_array.go b/uuid_array.go
index cddd62f1..fac838af 100644
--- a/uuid_array.go
+++ b/uuid_array.go
@@ -137,6 +137,7 @@ func (src *UUIDArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)
diff --git a/varchar_array.go b/varchar_array.go
index 7b9257b8..d2359d03 100644
--- a/varchar_array.go
+++ b/varchar_array.go
@@ -81,6 +81,7 @@ func (src *VarcharArray) AssignTo(dst interface{}) error {
 			if nextDst, retry := GetAssignToDstType(dst); retry {
 				return src.AssignTo(nextDst)
 			}
+			return errors.Errorf("unable to assign to %T", dst)
 		}
 	case Null:
 		return NullAssignTo(dst)