diff --git a/src/test/compile-fail/index_message.rs b/src/test/compile-fail/index_message.rs
index 638786a6c1b..76616819712 100644
--- a/src/test/compile-fail/index_message.rs
+++ b/src/test/compile-fail/index_message.rs
@@ -1,4 +1,5 @@
+// error-pattern:cannot index a value of type `()`
 fn main() {
     let z = ();
-    log(error, z[0]); //! ERROR cannot index a value of type `()`
+    log(error, z[0]);
 }