diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 0b632b05e48..8faba97fc78 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -858,8 +858,10 @@ int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache TS
 
 				zval_copy_ctor(&fci->params[i]);
 			} else if (!Z_ISREF(fci->params[i])) {
+				if (Z_REFCOUNTED(fci->params[i])) {
+					Z_ADDREF(fci->params[i]);
+				}
 				ZVAL_NEW_REF(&fci->params[i], &fci->params[i]);
-				Z_ADDREF(fci->params[i]);
 			} else if (Z_REFCOUNTED(fci->params[i])) {
 				Z_ADDREF(fci->params[i]);
 			}