diff --git a/src/corelib/io/qdirlisting.h b/src/corelib/io/qdirlisting.h
index 9d83411728c..4c6cd3ba952 100644
--- a/src/corelib/io/qdirlisting.h
+++ b/src/corelib/io/qdirlisting.h
@@ -116,7 +116,7 @@ public:
         reference operator*() const { return dirEntry; }
         pointer operator->() const { return &dirEntry; }
         Q_CORE_EXPORT const_iterator &operator++();
-        const_iterator operator++(int) { auto tmp = *this; operator++(); return tmp; };
+        void operator++(int) { ++*this; }; // [iterator.concept.winc]/14 not required to return sth
     private:
         bool atEnd() const noexcept { return dirEntry.dirListPtr == nullptr; }
         friend bool operator==(const const_iterator &lhs, sentinel) noexcept { return lhs.atEnd(); }