Index: uspace/app/test_serial/test_serial.c
===================================================================
--- uspace/app/test_serial/test_serial.c	(revision c47e1a8fb8e2a2556518fd57f186595422ca4484)
+++ uspace/app/test_serial/test_serial.c	(revision 374ad3c3bf704b2f3c5a99e04d8f771d868a5269)
@@ -92,5 +92,5 @@
 	}
 	
-	unsigned int old_baud, old_par, old_stop, old_word_size;
+	ipcarg_t old_baud, old_par, old_stop, old_word_size;
 	
 	res = ipc_call_sync_0_4(phone, SERIAL_GET_COM_PROPS, &old_baud, &old_par, &old_word_size, &old_stop);