diff --git a/dashboards/victoriametrics.json b/dashboards/victoriametrics.json
index d44e067305..12d3e87e37 100644
--- a/dashboards/victoriametrics.json
+++ b/dashboards/victoriametrics.json
@@ -1295,7 +1295,7 @@
           "steppedLine": false,
           "targets": [
             {
-              "expr": "vm_free_disk_space_bytes{job=\"$job\", instance=\"$instance\"} / ignoring(path) ((rate(vm_rows_added_to_storage_total{job=\"$job\", instance=\"$instance\"}[1d]) - ignoring(type) rate(vm_deduplicated_samples_total{job=\"$job\", instance=\"$instance\", type=\"merge\"}[1d])) * (sum(vm_data_size_bytes{job=\"$job\", instance=\"$instance\", type!=\"indexdb\"}) / sum(vm_rows{job=\"$job\", instance=\"$instance\", type!=\"indexdb\"})))",
+              "expr": "vm_free_disk_space_bytes{job=\"$job\", instance=\"$instance\"} / ignoring(path) ((rate(vm_rows_added_to_storage_total{job=\"$job\", instance=\"$instance\"}[1d]) - ignoring(type) rate(vm_deduplicated_samples_total{job=\"$job\", instance=\"$instance\", type=\"merge\"}[1d])) * scalar(sum(vm_data_size_bytes{job=\"$job\", instance=\"$instance\", type!=\"indexdb\"}) / sum(vm_rows{job=\"$job\", instance=\"$instance\", type!=\"indexdb\"})))",
               "format": "time_series",
               "hide": false,
               "interval": "",