diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index ad79ae0..9da9679 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -206,7 +206,7 @@
 	}
 #endif
 	qp = qp_in;
-	if (!mod_timer(&qp->timer, jiffies + f->ctl->timeout))
+	if (!mod_timer(&qp->timer, jiffies + nf->timeout))
 		atomic_inc(&qp->refcnt);
 
 	atomic_inc(&qp->refcnt);