Index: uspace/lib/graph/graph.c
===================================================================
--- uspace/lib/graph/graph.c	(revision 889cdb1c2046af9d31d314fa691773fa2e4f9119)
+++ uspace/lib/graph/graph.c	(revision f230cbd5cebf1680274f794fe7eb4c39125fadc8)
@@ -501,5 +501,5 @@
 
 	/* Accept the connection. */
-	async_answer_0(icall, EOK);
+	async_answer_5(icall, EOK, 0, 0, 0, 0, async_get_label());
 
 	/* Establish callback session. */
@@ -569,5 +569,5 @@
 
 	/* Accept the connection. */
-	async_answer_0(icall, EOK);
+	async_answer_5(icall, EOK, 0, 0, 0, 0, async_get_label());
 
 	/* Enter command loop. */