diff --git a/stubs/CoreGenericFunctions.phpstub b/stubs/CoreGenericFunctions.phpstub
index 90a8ea7b24c..adec2461b37 100644
--- a/stubs/CoreGenericFunctions.phpstub
+++ b/stubs/CoreGenericFunctions.phpstub
@@ -607,7 +607,7 @@ function explode(string $delimiter, string $string, int $limit = -1) : array {}
  *
  * @psalm-flow ($subject) -(array-assignment)-> return
  *
- * @return ($flags is 1|3|5|7 ? list<string>|false : non-empty-list<string>|false)
+ * @return ($flags is 0 ? non-empty-list<string>|false : list<string>|list<list<string|int>>|false)
  *
  * @psalm-ignore-falsable-return
  */