diff --git a/include/corosync/ipc_gen.h b/include/corosync/ipc_gen.h
index 83094f20..718a66f0 100644
--- a/include/corosync/ipc_gen.h
+++ b/include/corosync/ipc_gen.h
@@ -48,7 +48,8 @@ enum service_types {
 	CPG_SERVICE = 8,
 	CONFDB_SERVICE = 10,
 	QUORUM_SERVICE = 11,
-	PLOAD_SERVICE = 12
+	PLOAD_SERVICE = 12,
+	TMR_SERVICE = 13,
 };
 
 enum req_init_types {