Index: uspace/app/trace/syscalls.c
===================================================================
--- uspace/app/trace/syscalls.c	(revision 719a208dbe29f92f5690472a3500c890db8f3f1f)
+++ uspace/app/trace/syscalls.c	(revision 73a5857016948b0a6daad123e7cef8b6e4a8ebe7)
@@ -54,5 +54,5 @@
 
     [SYS_IPC_CALL_ASYNC_FAST] = { "ipc_call_async_fast", 6,	V_HASH },
-    [SYS_IPC_CALL_ASYNC_SLOW] = { "ipc_call_async_slow", 2,	V_HASH },
+    [SYS_IPC_CALL_ASYNC_SLOW] = { "ipc_call_async_slow", 3,	V_HASH },
 
     [SYS_IPC_ANSWER_FAST] = { "ipc_answer_fast",	6,	V_ERRNO },