Index: uspace/lib/packet/generic/packet_server.c
===================================================================
--- uspace/lib/packet/generic/packet_server.c	(revision dd5046dd1beda773c101cd57515df9157d461a36)
+++ uspace/lib/packet/generic/packet_server.c	(revision 96b02eb9b2f96f3843b8275c254c43a9cb6c8c88)
@@ -337,6 +337,6 @@
 			return ENOMEM;
 		*answer_count = 2;
-		IPC_SET_ARG1(*answer, (ipcarg_t) packet->packet_id);
-		IPC_SET_ARG2(*answer, (ipcarg_t) packet->length);
+		IPC_SET_ARG1(*answer, (sysarg_t) packet->packet_id);
+		IPC_SET_ARG2(*answer, (sysarg_t) packet->length);
 		return EOK;
 	
@@ -351,6 +351,6 @@
 			return ENOMEM;
 		*answer_count = 2;
-		IPC_SET_ARG1(*answer, (ipcarg_t) packet->packet_id);
-		IPC_SET_ARG2(*answer, (ipcarg_t) packet->length);
+		IPC_SET_ARG1(*answer, (sysarg_t) packet->packet_id);
+		IPC_SET_ARG2(*answer, (sysarg_t) packet->length);
 		return EOK;
 	
@@ -365,5 +365,5 @@
 		if (!packet_is_valid(packet))
 			return ENOENT;
-		IPC_SET_ARG1(*answer, (ipcarg_t) packet->length);
+		IPC_SET_ARG1(*answer, (sysarg_t) packet->length);
 		*answer_count = 1;
 		return EOK;