diff --git a/src/test/run-pass/macro-attributes.rs b/src/test/run-pass/macro-attributes.rs
index 521aef4b5ba..2752fc88b45 100644
--- a/src/test/run-pass/macro-attributes.rs
+++ b/src/test/run-pass/macro-attributes.rs
@@ -10,6 +10,8 @@
 
 // ignore-pretty - token trees can't pretty print
 
+#![feature(custom_attribute)]
+
 macro_rules! compiles_fine {
     (#[$at:meta]) => {
         // test that the different types of attributes work