Index: uspace/app/ping/ping.c
===================================================================
--- uspace/app/ping/ping.c	(revision f63a591d1085b2ef35cde0f9ec4cb50fa2d4050e)
+++ uspace/app/ping/ping.c	(revision bf61d3ad9628d50dbbbcc790b6e57d85ff739092)
@@ -337,5 +337,5 @@
 	}
 	
-	printf("PING %s (%s) %u(%u) bytes of data\n", config.dest_addr,
+	printf("PING %s (%s) %zu(%zu) bytes of data\n", config.dest_addr,
 	    config.dest_str, config.size, config.size);
 	
@@ -378,9 +378,9 @@
 		switch (result) {
 		case ICMP_ECHO:
-			printf("%u bytes from ? (?): icmp_seq=%u ttl=? time=%u.%04u\n",
+			printf("%zu bytes from ? (?): icmp_seq=%u ttl=? time=%ld.%04ld\n",
 				config.size, seq, elapsed / 1000, elapsed % 1000);
 			break;
 		case ETIMEOUT:
-			printf("%u bytes from ? (?): icmp_seq=%u Timed out\n",
+			printf("%zu bytes from ? (?): icmp_seq=%u Timed out\n",
 				config.size, seq);
 			break;