diff --git a/aio/grampsaio64.nsi.template b/aio/grampsaio64.nsi.template
index 7843e8654b6..ad9f5984645 100644
--- a/aio/grampsaio64.nsi.template
+++ b/aio/grampsaio64.nsi.template
@@ -718,8 +718,8 @@ Function .onInit
     Quit
   ${EndIf}
 
-  ${If} ${AtMostWinXP}
-    MessageBox MB_OK "Windows Vista and above required"
+  ${If} ${AtMostWin8}
+    MessageBox MB_OK "Windows 8.1 and above required"
     Quit
   ${EndIf}
   ;StrCpy $LANGUAGE ${LANG_FRENCH}