Index: uspace/lib/c/generic/assert.c
===================================================================
--- uspace/lib/c/generic/assert.c	(revision e06e27166f1b30422fc5f34049108ea34cdd2cfb)
+++ uspace/lib/c/generic/assert.c	(revision 9ea8fdb468d87b5fe943968fa3901cbdae78af90)
@@ -82,5 +82,5 @@
 	 * assertions.
 	 */
-	printf(MSG_START "%s" MSG_FILE "%s" MSG_LINE "%" PRIu32 MSG_END,
+	printf(MSG_START "%s" MSG_FILE "%s" MSG_LINE "%u" MSG_END,
 	    cond, file, line);
 	stacktrace_print();