diff --git a/contrib/editmergeps.bat b/contrib/editmergeps.bat
--- a/contrib/editmergeps.bat
+++ b/contrib/editmergeps.bat
@@ -1,2 +1,2 @@
 @echo off
-powershell -NoProfile -ExecutionPolicy unrestricted -Command "& 'editmergeps.ps1' %*"
+powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"