diff --git a/extensions/Makefile b/extensions/Makefile
index 2127996..1021596 100644
--- a/extensions/Makefile
+++ b/extensions/Makefile
@@ -1,6 +1,6 @@
 #! /usr/bin/make
 
-EXT_FUNC+=802_3 nat arp ip standard log redirect vlan mark_m mark pkttype
+EXT_FUNC+=802_3 nat arp ip standard log redirect vlan mark_m mark pkttype stp
 EXT_TABLES+=filter nat broute
 EXT_OBJS+=$(foreach T,$(EXT_FUNC), extensions/ebt_$(T).o)
 EXT_OBJS+=$(foreach T,$(EXT_TABLES), extensions/ebtable_$(T).o)