Index: uspace/lib/nic/src/nic_ev.c
===================================================================
--- uspace/lib/nic/src/nic_ev.c	(revision cecba66ea48d60cfa59865e98aeda663808e42c7)
+++ uspace/lib/nic/src/nic_ev.c	(revision 8610c2c4d068b3acc29cae4d52b97b109bd41aea)
@@ -48,5 +48,5 @@
 	ipc_call_t answer;
 	aid_t req = async_send_0(exch, NIC_EV_ADDR_CHANGED, &answer);
-	sysarg_t retval = async_data_write_start(exch, addr,
+	int retval = async_data_write_start(exch, addr,
 	    sizeof(nic_address_t));
 
@@ -81,5 +81,5 @@
 	ipc_call_t answer;
 	aid_t req = async_send_0(exch, NIC_EV_RECEIVED, &answer);
-	sysarg_t retval = async_data_write_start(exch, data, size);
+	int retval = async_data_write_start(exch, data, size);
 
 	async_exchange_end(exch);