diff --git a/deploy/charts/rules/volume/volume-rules.json b/deploy/charts/rules/volume/volume-rules.json
index 8ab6cff..f0ac99e 100644
--- a/deploy/charts/rules/volume/volume-rules.json
+++ b/deploy/charts/rules/volume/volume-rules.json
@@ -9,7 +9,7 @@
                   "description": "Persistent Volume Claim '{{ $labels.persistentvolumeclaim }}' has no consumer",
                   "summary": "Persistent Volume Claim '{{ $labels.persistentvolumeclaim }}' in namespace '{{ $labels.namespace }}' is not consumed by any pod in any namespace"
                },
-               "expr": "kube_persistentvolumeclaim_info unless (kube_persistentvolumeclaim_info * on(persistentvolumeclaim) group_left (max by (persistentvolumeclaim) (kube_pod_spec_volumes_persistentvolumeclaims_info)))) == 1",
+               "expr": "kube_persistentvolumeclaim_info UNLESS ON (namespace, persistentvolumeclaim) count by (namespace, persistentvolumeclaim) (kube_pod_spec_volumes_persistentvolumeclaims_info) == 1",
                "for": "5m",
                "labels": {
                   "severity": "info"
diff --git a/jsonnet/openebs-mixin/rules/volume/volume-rules.libsonnet b/jsonnet/openebs-mixin/rules/volume/volume-rules.libsonnet
index 5d91913..f3ee8bf 100644
--- a/jsonnet/openebs-mixin/rules/volume/volume-rules.libsonnet
+++ b/jsonnet/openebs-mixin/rules/volume/volume-rules.libsonnet
@@ -14,7 +14,7 @@ function(param) {
                 summary: "Persistent Volume Claim '{{ $labels.persistentvolumeclaim }}' in namespace '{{ $labels.namespace }}' is not consumed by any pod in any namespace",
                 description: "Persistent Volume Claim '{{ $labels.persistentvolumeclaim }}' has no consumer",
               },
-              expr: 'kube_persistentvolumeclaim_info unless (kube_persistentvolumeclaim_info * on(persistentvolumeclaim) group_left kube_pod_spec_volumes_persistentvolumeclaims_info) == 1',
+              expr: 'kube_persistentvolumeclaim_info UNLESS ON (namespace, persistentvolumeclaim) count by (namespace, persistentvolumeclaim) (kube_pod_spec_volumes_persistentvolumeclaims_info) == 1',
               'for': '5m',
               labels: {
                 severity: 'info',