diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 34d759ae30e4b..ceb182a0a258d 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -2788,7 +2788,7 @@ MBSTRING_API HashTable *php_mb_convert_encoding_recursive(HashTable *input, cons
 			case IS_FALSE:
 			case IS_LONG:
 			case IS_DOUBLE:
-				ZVAL_COPY(&entry_tmp, entry);
+				ZVAL_COPY_VALUE(&entry_tmp, entry);
 				break;
 			case IS_ARRAY:
 				chash = php_mb_convert_encoding_recursive(