diff --git a/ext/json/json.c b/ext/json/json.c
index fb0e2d8ca0013..fc1fcb7f1f5e6 100644
--- a/ext/json/json.c
+++ b/ext/json/json.c
@@ -174,8 +174,9 @@ static int json_determine_array_type(zval **val TSRMLS_DC) /* {{{ */
 		idx = 0;
 		for (;; zend_hash_move_forward_ex(myht, &pos)) {
 			i = zend_hash_get_current_key_ex(myht, &key, &key_len, &index, 0, &pos);
-			if (i == HASH_KEY_NON_EXISTANT)
+			if (i == HASH_KEY_NON_EXISTANT) {
 				break;
+			}
 
 			if (i == HASH_KEY_IS_STRING) {
 				return 1;