Index: uspace/app/nic/nic.c
===================================================================
--- uspace/app/nic/nic.c	(revision c3b25985a33ea9ae992d45cc6df7c7a892242e79)
+++ uspace/app/nic/nic.c	(revision ee95794cc751c58d26c309eb02e2009401377b58)
@@ -226,5 +226,5 @@
 		}
 
-		printf("%d: %s\n", i, svc_name);
+		printf("%zu: %s\n", i, svc_name);
 		printf("\tMAC address: %s\n", addr_str);
 		printf("\tVendor name: %s\n",
Index: uspace/srv/net/ethip/ethip_nic.c
===================================================================
--- uspace/srv/net/ethip/ethip_nic.c	(revision c3b25985a33ea9ae992d45cc6df7c7a892242e79)
+++ uspace/srv/net/ethip/ethip_nic.c	(revision ee95794cc751c58d26c309eb02e2009401377b58)
@@ -317,5 +317,5 @@
 			break;
 		default:
-			log_msg(LOG_DEFAULT, LVL_DEBUG, "unknown IPC method: %d", IPC_GET_IMETHOD(call));
+			log_msg(LOG_DEFAULT, LVL_DEBUG, "unknown IPC method: %" PRIun, IPC_GET_IMETHOD(call));
 			async_answer_0(callid, ENOTSUP);
 		}