diff --git a/inet.go b/inet.go
index f3dce87b..b4498191 100644
--- a/inet.go
+++ b/inet.go
@@ -38,9 +38,13 @@ func (dst *Inet) Set(src interface{}) error {
 	case net.IPNet:
 		*dst = Inet{IPNet: &value, Status: Present}
 	case net.IP:
-		bitCount := len(value) * 8
-		mask := net.CIDRMask(bitCount, bitCount)
-		*dst = Inet{IPNet: &net.IPNet{Mask: mask, IP: value}, Status: Present}
+		if len(value) == 0 {
+			*dst = Inet{Status: Null}
+		} else {
+			bitCount := len(value) * 8
+			mask := net.CIDRMask(bitCount, bitCount)
+			*dst = Inet{IPNet: &net.IPNet{Mask: mask, IP: value}, Status: Present}
+		}
 	case string:
 		_, ipnet, err := net.ParseCIDR(value)
 		if err != nil {
diff --git a/inet_test.go b/inet_test.go
index 8257a63d..cb420a51 100644
--- a/inet_test.go
+++ b/inet_test.go
@@ -35,6 +35,7 @@ func TestInetSet(t *testing.T) {
 		{source: mustParseCIDR(t, "127.0.0.1/32"), result: pgtype.Inet{IPNet: mustParseCIDR(t, "127.0.0.1/32"), Status: pgtype.Present}},
 		{source: mustParseCIDR(t, "127.0.0.1/32").IP, result: pgtype.Inet{IPNet: mustParseCIDR(t, "127.0.0.1/32"), Status: pgtype.Present}},
 		{source: "127.0.0.1/32", result: pgtype.Inet{IPNet: mustParseCIDR(t, "127.0.0.1/32"), Status: pgtype.Present}},
+		{source: net.ParseIP(""), result: pgtype.Inet{Status: pgtype.Null}},
 	}
 
 	for i, tt := range successfulTests {