diff --git a/sjson_gae.go b/sjson_gae.go
index 4b83a17..eaba00e 100644
--- a/sjson_gae.go
+++ b/sjson_gae.go
@@ -116,9 +116,9 @@ func SetBytesOptions(json []byte, path string, value interface{},
 	var err error
 	switch v := value.(type) {
 	default:
-		b, err := jsongo.Marshal(value)
-		if err != nil {
-			return nil, err
+		b, merr := jsongo.Marshal(value)
+		if merr != nil {
+			return nil, merr
 		}
 		// raw := *(*string)(unsafe.Pointer(&b))
 		raw := string(b)
diff --git a/sjson_ngae.go b/sjson_ngae.go
index f3624f4..6f47a04 100644
--- a/sjson_ngae.go
+++ b/sjson_ngae.go
@@ -115,9 +115,9 @@ func SetBytesOptions(json []byte, path string, value interface{},
 	var err error
 	switch v := value.(type) {
 	default:
-		b, err := jsongo.Marshal(value)
-		if err != nil {
-			return nil, err
+		b, merr := jsongo.Marshal(value)
+		if merr != nil {
+			return nil, merr
 		}
 		raw := *(*string)(unsafe.Pointer(&b))
 		res, err = set(jstr, path, raw, false, false, optimistic, inplace)