diff --git a/examples/gitter-streaming.yml b/examples/gitter-streaming.yml
index 444bc9b8..b1dd57b2 100644
--- a/examples/gitter-streaming.yml
+++ b/examples/gitter-streaming.yml
@@ -160,5 +160,9 @@ components:
     streamingHeaders:
       http:
         headers:
-          'Transfer-Encoding': 'chunked'
-          Trailer: '\r\n'
+          type: object
+          properties:
+            'Transfer-Encoding':
+              const: 'chunked'
+            Trailer:
+              const: '\r\n'