diff --git a/dlls/commdlg.dll16/filedlg.c b/dlls/commdlg.dll16/filedlg.c
index 5b72bfab100..050cddb0dd5 100644
--- a/dlls/commdlg.dll16/filedlg.c
+++ b/dlls/commdlg.dll16/filedlg.c
@@ -509,8 +509,7 @@ static LPOFNHOOKPROC alloc_hook( LPOFNHOOKPROC16 hook16 )
     SIZE_T size = 0x1000;
     unsigned int i;
 
-    if (!hooks && NtAllocateVirtualMemory( GetCurrentProcess(), (void **)&hooks, 12, &size,
-                                           MEM_COMMIT, PAGE_EXECUTE_READWRITE ))
+    if (!hooks && !(hooks = VirtualAlloc( NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE )))
         return NULL;
 
     for (i = 0; i < count; i++)