diff --git a/src/libmsc/smpp_smsc.h b/src/libmsc/smpp_smsc.h
index 27a2646..dc7b7c1 100644
--- a/src/libmsc/smpp_smsc.h
+++ b/src/libmsc/smpp_smsc.h
@@ -68,6 +68,7 @@
 	int deliver_src_imsi;
 	int osmocom_ext;
 	int dcs_transparent;
+	int alert_notifications;
 	struct llist_head route_list;
 };