diff --git a/sys/net/altq/altq_cbq.c b/sys/net/altq/altq_cbq.c
--- a/sys/net/altq/altq_cbq.c
+++ b/sys/net/altq/altq_cbq.c
@@ -471,6 +471,8 @@
 	cbq_state_t	*cbqp;
 	struct rm_class	*cl;
 	class_stats_t	 stats;
+
+	bzero(&stats, sizeof(stats));
 	int		 error = 0;
 	struct ifaltq 	*ifq;