diff --git a/mailnews/local/tests/makefile.win b/mailnews/local/tests/makefile.win
index ab88737939b2..696f872dae44 100644
--- a/mailnews/local/tests/makefile.win
+++ b/mailnews/local/tests/makefile.win
@@ -18,6 +18,6 @@
 DEPTH=..\..\..
 
 #commented out because it won't build
-#DIRS=pop3
+DIRS=pop3
 
 include <$(DEPTH)\config\rules.mak>