Index: uspace/app/wavplay/dplay.c
===================================================================
--- uspace/app/wavplay/dplay.c	(revision 676900501376128cbb87ed9ea866e1bfbb52a5db)
+++ uspace/app/wavplay/dplay.c	(revision 482f968b8b53156bb4454e6c369c1e92dc426ea9)
@@ -96,5 +96,5 @@
 static void device_event_callback(ipc_call_t *icall, void *arg)
 {
-	async_answer_5(icall, EOK, 0, 0, 0, 0, async_get_label());
+	async_accept_0(icall);
 	playback_t *pb = arg;
 	const size_t fragment_size = pb->buffer.size / DEFAULT_FRAGMENTS;
Index: uspace/app/wavplay/drec.c
===================================================================
--- uspace/app/wavplay/drec.c	(revision 676900501376128cbb87ed9ea866e1bfbb52a5db)
+++ uspace/app/wavplay/drec.c	(revision 482f968b8b53156bb4454e6c369c1e92dc426ea9)
@@ -94,5 +94,5 @@
 static void device_event_callback(ipc_call_t *icall, void *arg)
 {
-	async_answer_5(icall, EOK, 0, 0, 0, 0, async_get_label());
+	async_accept_0(icall);
 	record_t *rec = arg;
 	const size_t buffer_part = rec->buffer.size / BUFFER_PARTS;