diff --git a/pkg/util/uint256.go b/pkg/util/uint256.go
index f3560b126..d7dd76aa2 100644
--- a/pkg/util/uint256.go
+++ b/pkg/util/uint256.go
@@ -26,7 +26,8 @@ func Uint256DecodeStringLE(s string) (u Uint256, err error) {
 	if err != nil {
 		return u, err
 	}
-	return Uint256DecodeBytesLE(b)
+	slice.Reverse(b)
+	return Uint256DecodeBytesBE(b)
 }
 
 // Uint256DecodeStringBE attempts to decode the given string (in BE representation)
diff --git a/pkg/util/uint256_test.go b/pkg/util/uint256_test.go
index b1f5d2c3e..cbbeda216 100644
--- a/pkg/util/uint256_test.go
+++ b/pkg/util/uint256_test.go
@@ -95,3 +95,16 @@ func TestUint256_Serializable(t *testing.T) {
 	var b util.Uint256
 	testserdes.EncodeDecodeBinary(t, &a, &b)
 }
+
+func BenchmarkUint256DecodeStringLE(b *testing.B) {
+	a := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
+
+	b.ResetTimer()
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		_, err := util.Uint256DecodeStringLE(a)
+		if err != nil {
+			b.FailNow()
+		}
+	}
+}