Index: lib/libc/tests/stdio/printbasic_test.c
===================================================================
--- lib/libc/tests/stdio/printbasic_test.c
+++ lib/libc/tests/stdio/printbasic_test.c
@@ -127,7 +127,7 @@
 	testfmt(S_ULONGMAX, "%lu", ULLONG_MAX);
 
 	testfmt("-1", "%d", -1);
-	testfmt(S_UINT32MAX, "%lu", UINT32_MAX);
+	testfmt(S_UINT32MAX, "%lu", (u_long)UINT32_MAX);
 
 	testfmt("-1", "%hd", -1);
 	testfmt("65535", "%hu", USHRT_MAX);