diff --git a/apps/otel/otel-clickhouse.yaml b/apps/otel/otel-clickhouse.yaml
index cebada8..6901fed 100644
--- a/apps/otel/otel-clickhouse.yaml
+++ b/apps/otel/otel-clickhouse.yaml
@@ -95,3 +95,5 @@ spec:
         - regexp:
             source: uuid
             target: grafana
+    - extract:
+        key: clickhouse-basicauth