diff --git a/src/test/run-pass/issues/issue-18804/main.rs b/src/test/run-pass/issues/issue-18804/main.rs
index 23c02f18862e..4b32cc12dfd2 100644
--- a/src/test/run-pass/issues/issue-18804/main.rs
+++ b/src/test/run-pass/issues/issue-18804/main.rs
@@ -20,7 +20,7 @@
 // aux-build:lib.rs
 
 // rust-lang/rust#56772: nikic says we need this to be proper test.
-// compile-flags: -C no-prepopulate-passes
+// compile-flags: -C no-prepopulate-passes -C passes=name-anon-globals
 
 extern crate lib;