diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 74c37faad0..e225ce1ecb 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -724,7 +724,7 @@ typename QVector<T>::iterator QVector<T>::insert(iterator before, size_type n, c
         } else {
             T *b = d->begin() + offset;
             T *i = b + n;
-            memmove(i, b, (d->size - offset) * sizeof(T));
+            memmove(static_cast<void *>(i), static_cast<const void *>(b), (d->size - offset) * sizeof(T));
             while (i != b)
                 new (--i) T(copy);
         }