diff --git a/vimfiles.stefan/tools/DirDiff.bat b/vimfiles.stefan/tools/DirDiff.bat
index 446410a..df046f4 100644
--- a/vimfiles.stefan/tools/DirDiff.bat
+++ b/vimfiles.stefan/tools/DirDiff.bat
@@ -1 +1,13 @@
-"c:\Program Files\vim\vim73\gvim.exe" -c "DirDiff %2 %1"
+@echo off
+set a=%1
+set b=%2
+
+:: remove ""
+set a=%a:"=%
+set b=%b:"=%
+:: escape space
+set a=%a: =\ %
+set b=%b: =\ %
+
+echo on
+"c:\Program Files (x86)\vim\vim73\gvim.exe" -c "DirDiff %a% %b%"