Index: uspace/app/tester/stdio/stdio1.c
===================================================================
--- uspace/app/tester/stdio/stdio1.c	(revision 2d11a7d86e751706f4d990ffdbd99edec012e4c8)
+++ uspace/app/tester/stdio/stdio1.c	(revision 672b22e998fe4b44c45775aa265ee54ebdcc43dc)
@@ -36,8 +36,8 @@
 static char buf[BUF_SIZE + 1];
 
-char *test_stdio1(void)
+const char *test_stdio1(void)
 {
 	FILE *file;
-	char *file_name = "/readme";
+	const char *file_name = "/readme";
 	
 	TPRINTF("Open file \"%s\"...", file_name);