diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 597557254ddb..83498975165f 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -99,7 +99,7 @@ static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
 		kmem_cache_destroy(slab);
 }
 
-static int ccid_activate(struct ccid_operations *ccid_ops)
+static int __init ccid_activate(struct ccid_operations *ccid_ops)
 {
 	int err = -ENOBUFS;