diff --git a/include/net/rose.h b/include/net/rose.h
index 4c05a88..a4047d3 100644
--- a/include/net/rose.h
+++ b/include/net/rose.h
@@ -189,9 +189,9 @@
 
 /* rose_route.c */
 extern struct rose_neigh rose_loopback_neigh;
-extern struct file_operations rose_neigh_fops;
-extern struct file_operations rose_nodes_fops;
-extern struct file_operations rose_routes_fops;
+extern const struct file_operations rose_neigh_fops;
+extern const struct file_operations rose_nodes_fops;
+extern const struct file_operations rose_routes_fops;
 
 extern void rose_add_loopback_neigh(void);
 extern int __must_check rose_add_loopback_node(rose_address *);