Index: uspace/app/tester/vfs/vfs1.c
===================================================================
--- uspace/app/tester/vfs/vfs1.c	(revision 210e50a2e64696e25acdb6745a857a8b4862ecdd)
+++ uspace/app/tester/vfs/vfs1.c	(revision a000878c0dee83a08f032207ffd800c201fca95b)
@@ -54,5 +54,5 @@
 static char text[] = "Lorem ipsum dolor sit amet, consectetur adipisicing elit";
 
-static char *read_root(void)
+static const char *read_root(void)
 {
 	TPRINTF("Opening the root directory...");
@@ -73,5 +73,5 @@
 }
 
-char *test_vfs1(void)
+const char *test_vfs1(void)
 {
 	if (mkdir(MOUNT_POINT, 0) != 0)
@@ -121,5 +121,5 @@
 	close(fd0);
 	
-	char *rv = read_root();
+	const char *rv = read_root();
 	if (rv != NULL)
 		return rv;