Index: /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditions.nsi
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditions.nsi	(revision 46865)
+++ /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditions.nsi	(revision 46866)
@@ -1071,5 +1071,5 @@
 
     ${If}   $g_strWinVersion != "8"   ; On Windows 8 WDDM is mandatory
-    ${OrIf} $g_strWinVersion != "8_1" ; ... also on Windows 8.1 / Windows 2012 Server R2
+    ${AndIf} $g_strWinVersion != "8_1" ; ... also on Windows 8.1 / Windows 2012 Server R2
       StrCpy $g_bWithWDDM "false"
     ${EndIf}