diff --git a/src/Makefile b/src/Makefile
index f2db586..f06c6a4 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -46,7 +46,8 @@ DIRS=am930 p80211 prism2 shared wlanctl wland nwepgen \
 ALL_DIRS=mkmeta am930 p80211 prism2 shared wlanctl wland \
 	nwepgen skeleton
 
-DIRS+=`cat .extradirs`
+DIRS+=`cat *.addon`
+ALL_DIRS+=`cat *.addon`
 
 all:
 	set -e; for d in $(ALL_DIRS); do $(MAKE) -C $$d ; done