diff --git a/Tools/buildbot/buildmsi.bat b/Tools/buildbot/buildmsi.bat
index 31789a1..aabff1e 100644
--- a/Tools/buildbot/buildmsi.bat
+++ b/Tools/buildbot/buildmsi.bat
@@ -4,7 +4,7 @@
 @rem build release versions of things
 call "%VS71COMNTOOLS%vsvars32.bat"
 if not exist db-4.4.20\build_win32\release\libdb44s.lib (
-   devenv db-4.4.20\build_win32\Berkeley_DB.sln /build Release /project db_static
+   devenv ..\db-4.4.20\build_win32\Berkeley_DB.sln /build Release /project db_static
 )
 
 @rem build Python