diff --git a/directory/xpcom/tests/makefile.win b/directory/xpcom/tests/makefile.win
index cf95a3010014..f963de9e18c5 100644
--- a/directory/xpcom/tests/makefile.win
+++ b/directory/xpcom/tests/makefile.win
@@ -19,7 +19,7 @@
 #
 # Contributor(s): 
 
-DEPTH=..\..\..\..
+DEPTH=..\..\..
 MODULE=rdfldapds
 SAMPLES_DIR = $(DIST)/bin/chrome/communicator/content/ldapviewer