diff --git a/roles/docker/files/vhost/mastodon b/roles/docker/files/vhost/mastodon
index 61d7db8..33db1c9 100644
--- a/roles/docker/files/vhost/mastodon
+++ b/roles/docker/files/vhost/mastodon
@@ -1,2 +1,9 @@
 listen 3000;
 client_max_body_size 50M; # default is 1M
+
+# Mastodon needs to allow all clients to access stuff.
+# This can be tweaked to only allow images/videos and certain HTTP methods like
+# add_header 'Access-Control-Allow-Methods' 'GET, OPTIONS';
+# add_header 'Access-Control-Allow-Headers' 'Range';
+# add_header 'Accept-Ranges' 'bytes';
+add_header Access-Control-Allow-Origin *;