diff --git a/brian_dashboard_manager/config.py b/brian_dashboard_manager/config.py
index b6c389a4840330dde3521690e875c35ab3f6176f..dfae2405458927dc07ddea276ba8c2dca0025c54 100644
--- a/brian_dashboard_manager/config.py
+++ b/brian_dashboard_manager/config.py
@@ -12,9 +12,9 @@ CONFIG_SCHEMA = {
         "listen_port": {"type": "integer"},
         "grafana_port": {"type": "integer"},
         "organizations": {"type": "array", "items": {"type": "string"}},
-        "dashboard_directory": {"type": "string"},
+        "BRIAN_ENVIRONMENT": {"type": "string"}
     },
-    "required": ["admin_username", "admin_password", "hostname", "listen_port", "grafana_port", "organizations"],
+    "required": ["admin_username", "admin_password", "hostname", "listen_port", "grafana_port", "organizations", "BRIAN_ENVIRONMENT"],
     "additionalProperties": False
 }
 
@@ -26,7 +26,8 @@ def defaults():
         "hostname": "localhost",
         "listen_port": 3001,
         "grafana_port": 3000,
-        "organizations": ["Main Org."]
+        "organizations": ["Main Org."],
+        "BRIAN_ENVIRONMENT": "test"
     }