diff --git a/mailnews/ui/messenger/makefile.win b/mailnews/ui/messenger/makefile.win
index 0f3d6e0c1091..7a590004d361 100644
--- a/mailnews/ui/messenger/makefile.win
+++ b/mailnews/ui/messenger/makefile.win
@@ -17,6 +17,6 @@
 
 DEPTH=..\..\..
 
-DIRS=public resources
+DIRS= resources
 
 include <$(DEPTH)\config\rules.mak>