diff --git a/roles/docker-distribution/templates/config.yml.j2 b/roles/docker-distribution/templates/config.yml.j2
index 245b8eb8ab..09c8e075c6 100644
--- a/roles/docker-distribution/templates/config.yml.j2
+++ b/roles/docker-distribution/templates/config.yml.j2
@@ -9,6 +9,8 @@ storage:
     rootdirectory: {{ storage.filesystem.rootdirectory }}
 http:
   addr: {{ http.addr }}
+  headers:
+    Vary: [Accept]
 {% if tls.enabled %}
   tls:
     certificate: {{ tls.certificate }}