diff --git a/src/mysterx/mysterx.cxx b/src/mysterx/mysterx.cxx
index 511c806564..be05dc234d 100644
--- a/src/mysterx/mysterx.cxx
+++ b/src/mysterx/mysterx.cxx
@@ -5388,8 +5388,10 @@ void browserHwndMsgLoop(LPVOID p)
 
 # if _MSC_VER < 1400
 #   define ATLWINDOWTITLE "AtlAxWin71"
-# else
+# elif _MSC_VER < 1500
 #   define ATLWINDOWTITLE "AtlAxWin80"
+# else
+#   define ATLWINDOWTITLE "AtlAxWin90"
 # endif
   hwnd = CreateWindow(ATLWINDOWTITLE,
                       "myspage.DHTMLPage.1",