diff --git a/gotosocial/docker-compose.yaml b/gotosocial/docker-compose.yaml
index a4ab324..6e152a0 100644
--- a/gotosocial/docker-compose.yaml
+++ b/gotosocial/docker-compose.yaml
@@ -24,6 +24,7 @@ services:
       GTS_STORAGE_S3_ENDPOINT: ${GTS_STORAGE_S3_ENDPOINT}
       GTS_STORAGE_S3_ACCESS_KEY: ${GTS_STORAGE_S3_ACCESS_KEY}
       GTS_STORAGE_S3_SECRET_KEY: ${GTS_STORAGE_S3_SECRET_KEY}
+      GTS_STORAGE_S3_BUCKET_LOOKUP: dns
     ports:
       - ${HTTP_PORT:-80}:8080
     volumes: