diff --git a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpHeader.java b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpHeader.java
index d4542542ecb..edf83768ef9 100644
--- a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpHeader.java
+++ b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpHeader.java
@@ -103,6 +103,7 @@ public enum HttpHeader
     /* ------------------------------------------------------------ */
     /** WebSocket Fields.
      */
+    ORIGIN("Origin"),
     SEC_WEBSOCKET_KEY("Sec-WebSocket-Key"),
     SEC_WEBSOCKET_VERSION("Sec-WebSocket-Version"),
     SEC_WEBSOCKET_EXTENSIONS("Sec-WebSocket-Extensions"),