diff --git a/Contrib/Makensisw/resource.rc b/Contrib/Makensisw/resource.rc
index b8e6a550..02d0d839 100644
--- a/Contrib/Makensisw/resource.rc
+++ b/Contrib/Makensisw/resource.rc
@@ -128,8 +128,8 @@ END
 // Dialog
 //
 
-DLG_MAIN DIALOG DISCARDABLE  0, 0, 361, 228
-STYLE DS_3DLOOK | DS_CENTER | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_POPUP | 
+DLG_MAIN DIALOGEX DISCARDABLE  0, 0, 361, 228
+STYLE DS_FIXEDSYS | DS_3DLOOK | DS_CENTER | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_POPUP | 
     WS_VISIBLE | WS_CLIPCHILDREN | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME
 CAPTION "MakeNSIS"
 MENU IDM_MENU