diff --git a/include/netlink/cache.h b/include/netlink/cache.h
index e21aa1c..a2b3dbb 100644
--- a/include/netlink/cache.h
+++ b/include/netlink/cache.h
@@ -162,6 +162,8 @@ extern void			nl_cache_mngr_free(struct nl_cache_mngr *);
 
 extern void			nl_cache_ops_get(struct nl_cache_ops *);
 extern void			nl_cache_ops_put(struct nl_cache_ops *);
+extern void			nl_cache_ops_set_flags(struct nl_cache_ops *,
+						       unsigned int);
 
 #ifdef __cplusplus
 }