Index: uspace/app/tester/vfs/vfs1.c
===================================================================
--- uspace/app/tester/vfs/vfs1.c	(revision 926d6caf4a85770541edc3aa0fa38fba17e14e63)
+++ uspace/app/tester/vfs/vfs1.c	(revision 8d049ee047c5d57ada58879485512cc55e55e918)
@@ -46,5 +46,5 @@
 	int rc;
 
-	rc = mount("tmpfs", "/", "nulldev0", 0);
+	rc = mount("tmpfs", "/", "nulldev0", "", 0);
 	switch (rc) {
 	case EOK: