diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c
index 23c0ca26377..14cac32dc1b 100644
--- a/dlls/ntdll/heap.c
+++ b/dlls/ntdll/heap.c
@@ -1564,6 +1564,7 @@ PVOID WINAPI RtlReAllocateHeap( HANDLE heap, ULONG flags, PVOID ptr, SIZE_T size
 
         if (rounded_size >= HEAP_MIN_LARGE_BLOCK_SIZE && (flags & HEAP_GROWABLE))
         {
+            if (flags & HEAP_REALLOC_IN_PLACE_ONLY) goto oom;
             if (!(ret = allocate_large_block( heapPtr, flags, size ))) goto oom;
             notify_alloc( ret, size, flags & HEAP_ZERO_MEMORY );
             memcpy( ret, pArena + 1, oldActualSize );