diff --git a/roles/docker/files/configs/mastodon/vhost-mastodon b/roles/docker/files/configs/mastodon/vhost-mastodon
index 7db10bb..bae685b 100644
--- a/roles/docker/files/configs/mastodon/vhost-mastodon
+++ b/roles/docker/files/configs/mastodon/vhost-mastodon
@@ -1,5 +1,5 @@
 listen 3000;
 client_max_body_size 50M; # default is 1M
-if ($http_user_agent ~ "^Datadog/Synthetics$") {
+if ($http_user_agent = "Datadog/Synthetics") {
   return 200;
 }