diff --git a/dashboards/victoriametrics-cluster.json b/dashboards/victoriametrics-cluster.json
index 50fef95f2f..75be1b925e 100644
--- a/dashboards/victoriametrics-cluster.json
+++ b/dashboards/victoriametrics-cluster.json
@@ -4436,7 +4436,7 @@
                 {
                   "targetBlank": true,
                   "title": "Drilldown",
-                  "url": "/d/oS7Bi_0Wz?viewPanel=196&${__url_time_range}${__all_variables}"
+                  "url": "/d/oS7Bi_0Wz?viewPanel=196&${__url_time_range}&${__all_variables}"
                 }
               ],
               "mappings": [],