diff --git a/include/openbsc/paging.h b/include/openbsc/paging.h
index 0e5a0d4..8fdae02 100644
--- a/include/openbsc/paging.h
+++ b/include/openbsc/paging.h
@@ -33,7 +33,8 @@
 void paging_init(struct gsm_bts *bts);
 
 /* schedule paging request */
-void paging_request(struct gsm_bts *bts, struct gsm_subscriber *subscr, int type);
+void paging_request(struct gsm_bts *bts, struct gsm_subscriber *subscr,
+		    int type, gsm_cbfn *cbfn, void *data);
 
 /* stop paging requests */
 void paging_request_stop(struct gsm_bts *bts, struct gsm_subscriber *subscr);