diff --git a/playbooks/tasks/chat/files/ejabberd.yml b/playbooks/tasks/chat/files/ejabberd.yml
index d46d957..8a9e874 100644
--- a/playbooks/tasks/chat/files/ejabberd.yml
+++ b/playbooks/tasks/chat/files/ejabberd.yml
@@ -226,6 +226,10 @@ modules:
     docroot: "/opt/ejabberd/upload/@HOST@"
     put_url: "https://@HOST@:5443/upload"
     thumbnail: false
+    custom_headers:
+      "Access-Control-Allow-Origin": "https://domain.tld"
+      "Access-Control-Allow-Methods": "GET,HEAD,PUT,OPTIONS"
+      "Access-Control-Allow-Headers": "Content-Type"
   mod_last: {}
   mod_mam:
     ## Mnesia is limited to 2GB, better to use an SQL backend