diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index d6b3b579560d..72cfb0c61125 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -105,7 +105,7 @@ static struct sk_buff *reset_per_cpu_data(struct per_cpu_dm_data *data)
 	return skb;
 }
 
-static struct genl_multicast_group dropmon_mcgrps[] = {
+static const struct genl_multicast_group dropmon_mcgrps[] = {
 	{ .name = "events", },
 };