Index: uspace/app/tasks/tasks.c
===================================================================
--- uspace/app/tasks/tasks.c	(revision d0c82c531ddd91c5c32e571f69768c044cf234b2)
+++ uspace/app/tasks/tasks.c	(revision bf61d3ad9628d50dbbbcc790b6e57d85ff739092)
@@ -77,5 +77,5 @@
 		order_suffix(stats_tasks[i].kcycles, &kcycles, &ksuffix);
 		
-		printf("%8" PRIu64 "%8u %8" PRIu64"%c %12"
+		printf("%8" PRIu64 "%8zu %8" PRIu64 "%c %12"
 		    PRIu64 "%c %12" PRIu64 "%c %s\n", stats_tasks[i].task_id,
 		    stats_tasks[i].threads, virtmem, vmsuffix, ucycles, usuffix,
@@ -160,5 +160,5 @@
 	}
 	
-	printf("%s: %u CPU(s) detected\n", NAME, count);
+	printf("%s: %zu CPU(s) detected\n", NAME, count);
 	
 	size_t i;