diff --git a/grafana/build/ver_2018.1/scylla-os.2018.1.json b/grafana/build/ver_2018.1/scylla-os.2018.1.json
index 63923bd7e7..2c8d43521c 100644
--- a/grafana/build/ver_2018.1/scylla-os.2018.1.json
+++ b/grafana/build/ver_2018.1/scylla-os.2018.1.json
@@ -83,6 +83,7 @@
             "targets": [
                 {
                     "expr": "sum(node_filesystem_avail_bytes{mountpoint=\"$mount_point\", instance=~\"$node\"})",
+                    "instant": true,
                     "interval": "",
                     "intervalFactor": 1,
                     "legendFormat": "Free",
@@ -92,6 +93,7 @@
                 },
                 {
                     "expr": "(sum(node_filesystem_size_bytes{mountpoint=\"$mount_point\", instance=~\"$node\"})-sum(node_filesystem_avail_bytes{mountpoint=\"$mount_point\", instance=~\"$node\"}))",
+                    "instant": true,
                     "intervalFactor": 1,
                     "legendFormat": "Used",
                     "refId": "B",