diff --git a/pgtype/ext/shopspring-numeric/decimal_test.go b/pgtype/ext/shopspring-numeric/decimal_test.go
index 79121ef3..b237478d 100644
--- a/pgtype/ext/shopspring-numeric/decimal_test.go
+++ b/pgtype/ext/shopspring-numeric/decimal_test.go
@@ -171,7 +171,7 @@ func TestNumericSet(t *testing.T) {
 		{source: float64(1000), result: &shopspring.Numeric{Decimal: mustParseDecimal(t, "1000"), Status: pgtype.Present}},
 		{source: float64(1234), result: &shopspring.Numeric{Decimal: mustParseDecimal(t, "1234"), Status: pgtype.Present}},
 		{source: float64(12345678900), result: &shopspring.Numeric{Decimal: mustParseDecimal(t, "12345678900"), Status: pgtype.Present}},
-		{source: float64(12345.678901), result: &shopspring.Numeric{Decimal: mustParseDecimal(t, "12345.678901"), Status: pgtype.Present}},
+		{source: float64(1.25), result: &shopspring.Numeric{Decimal: mustParseDecimal(t, "1.25"), Status: pgtype.Present}},
 	}
 
 	for i, tt := range successfulTests {