diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index 571de6e..2581638 100644
--- a/include/net/cls_cgroup.h
+++ b/include/net/cls_cgroup.h
@@ -61,7 +61,7 @@
 }
 #endif
 #else /* !CGROUP_NET_CLS_CGROUP */
-static inline void sock_update_classid(struct sock *sk)
+static inline void sock_update_classid(struct sock *sk, struct task_struct *task)
 {
 }