diff --git a/mozilla/mailnews/Makefile.in b/mozilla/mailnews/Makefile.in
index 3caa1535006..5d64b99e60a 100644
--- a/mozilla/mailnews/Makefile.in
+++ b/mozilla/mailnews/Makefile.in
@@ -22,7 +22,7 @@ srcdir		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-DIRS = public base news
+DIRS = public base imap news
 
 include $(topsrcdir)/config/config.mk