diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index a8bf106..82622fb 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1726,7 +1726,7 @@
 	return 0;
 }
 
-static struct seq_operations dn_rt_cache_seq_ops = {
+static const struct seq_operations dn_rt_cache_seq_ops = {
 	.start	= dn_rt_cache_seq_start,
 	.next	= dn_rt_cache_seq_next,
 	.stop	= dn_rt_cache_seq_stop,