diff --git a/doc/tutorial.md b/doc/tutorial.md
index 1add1054cc55..d20ce43c3d2c 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -2419,7 +2419,7 @@ these two files:
 pub fn explore() -> &str { "world" }
 ~~~~
 
-~~~~
+~~~~ {.xfail-test}
 // main.rs
 extern mod world;
 fn main() { io::println(~"hello " + world::explore()); }