diff --git a/grafana/datasource.yml b/grafana/datasource.yml
index 7e9572d3b4c..e052f580f4f 100644
--- a/grafana/datasource.yml
+++ b/grafana/datasource.yml
@@ -3,6 +3,7 @@ apiVersion: 1
 datasources:
   - name: TeslaMate
     type: postgres
+    uid: TeslaMate
     url: $DATABASE_HOST:$DATABASE_PORT
     user: $DATABASE_USER
     database: $DATABASE_NAME