diff --git a/src/http/header/macros.rs b/src/http/header/macros.rs
index 4ff377357..d91d1d282 100644
--- a/src/http/header/macros.rs
+++ b/src/http/header/macros.rs
@@ -63,7 +63,7 @@ macro_rules! common_header_test {
             }
             let req = req.finish();
             let val = HeaderField::parse(&req);
-            let exp: Option<HeaderField> = $typed;
+            let exp: Option<HeaderField> = $exp;
 
             // test parsing
             assert_eq!(val.ok(), exp);