diff --git a/source/quickjs.c b/source/quickjs.c
index 2f6eff38..ef41f96b 100644
--- a/source/quickjs.c
+++ b/source/quickjs.c
@@ -28903,6 +28903,7 @@ static cJSON *ast_parse_primary (ASTParseState *s) {
     while (s->token_val != '}' && s->token_val != TOK_EOF) {
       cJSON *pair = cJSON_CreateObject ();
       /* property name */
+      int is_ident = (s->token_val == TOK_IDENT);
       if (s->token_val == TOK_IDENT || s->token_val == TOK_STRING || s->token_val == TOK_NUMBER) {
         cJSON *left = ast_parse_primary (s);
         cJSON_AddItemToObject (pair, "left", left);
@@ -28983,7 +28984,7 @@ static cJSON *ast_parse_primary (ASTParseState *s) {
         cJSON_AddNumberToObject (fn, "function_nr", s->function_nr++);
         ast_node_end (s, fn, s->buf_ptr);
         cJSON_AddItemToObject (pair, "right", fn);
-      } else {
+      } else if (!(is_ident && (s->token_val == ',' || s->token_val == '}'))) {
         ast_error (s, s->token_ptr, "expected ':' after property name");
       }
       cJSON_AddItemToArray (list, pair);