diff --git a/src/header/common/origin.rs b/src/header/common/origin.rs
index bbc5b5d2..bf633ba8 100644
--- a/src/header/common/origin.rs
+++ b/src/header/common/origin.rs
@@ -138,11 +138,11 @@ impl FromStr for Origin {
 
 impl fmt::Display for Origin {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        match self {
-            &Origin(OriginOrNull::Origin { ref scheme, ref host }) => write!(f, "{}://{}", scheme, host),
-            /// Serialized as "null" per ASCII serialization of an origin
-            /// https://html.spec.whatwg.org/multipage/browsers.html#ascii-serialisation-of-an-origin
-            _ => write!(f, "null")
+        match self.0 {
+            OriginOrNull::Origin { ref scheme, ref host } => write!(f, "{}://{}", scheme, host),
+            // Serialized as "null" per ASCII serialization of an origin
+            // https://html.spec.whatwg.org/multipage/browsers.html#ascii-serialisation-of-an-origin
+            OriginOrNull::Null => f.write_str("null")
         }
     }
 }