diff --git a/src/test/bench/shootout-nbody.rs b/src/test/bench/shootout-nbody.rs
index 5e8880419818..d693c9161c5c 100644
--- a/src/test/bench/shootout-nbody.rs
+++ b/src/test/bench/shootout-nbody.rs
@@ -1,3 +1,4 @@
+// xfail-test
 // based on:
 // http://shootout.alioth.debian.org/u32/benchmark.php?test=nbody&lang=java