diff --git a/docker-compose.yml b/docker-compose.yml
index ce3b921..2a4824d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -751,7 +751,7 @@ services:
       - "${DOCKER_STORAGE_PATH}/gitearunner:/config"
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      - GITEA_INSTANCE_URL=gitea.${DOMAIN}
+      - GITEA_INSTANCE_URL=https://gitea.${DOMAIN}
       # When using Docker Secrets, it's also possible to use
       # GITEA_RUNNER_REGISTRATION_TOKEN_FILE to pass the location.
       # The env var takes precedence