diff --git a/docker-compose.yml b/docker-compose.yml
index d9ddc09..109ed16 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -78,7 +78,7 @@ services:
     restart: on-failure
     environment:
       <<: [*db-environment]
-      - PGADMIN_SERVER_JSON_FILE: /pgadmin4-config/servers.json
+      PGADMIN_SERVER_JSON_FILE: /pgadmin4-config/servers.json
     volumes:
       - pgadmin-config:/config