diff --git a/src/test/run-pass/issue-1466.rs b/src/test/run-pass/issue-1466.rs
index 984b57bfed6..a40de7d4413 100644
--- a/src/test/run-pass/issue-1466.rs
+++ b/src/test/run-pass/issue-1466.rs
@@ -1,3 +1,6 @@
+// exec-env:RUST_CC_ZEAL=1
+
 fn main() {
+    #error["%?", os::getenv("RUST_CC_ZEAL")];
     let _x = @{a: @10, b: ~true};
 }