diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 5754d53..9e22526 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -89,8 +89,10 @@
 		__qdisc_run(dev);
 }
 
+extern int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
+			      struct tcf_result *res);
 extern int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,
-	struct tcf_result *res);
+		       struct tcf_result *res);
 
 /* Calculate maximal size of packet seen by hard_start_xmit
    routine of this device.