diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb1a9b1c6bb..5fbfb7acf89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -66,6 +66,7 @@
 * [ENHANCEMENT] Alerts: exclude `529` and `598` status codes from failure codes in `MimirRequestsError`. #7889
 * [BUGFIX] Dashboards: Fix regular expression for matching read-path gRPC ingester methods to include querying of exemplars, label-related queries, or active series queries. #7676
 * [BUGFIX] Dashboards: Fix user id abbreviations and column heads for Top Tenants dashboard. #7724
+* [BUGFIX] Dashboards: fix incorrect query used for "queue length" panel on "Ruler" dashboard. #8006
 
 ### Jsonnet
 
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/templates/metamonitoring/grafana-dashboards.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/templates/metamonitoring/grafana-dashboards.yaml
index 9faf9c48a83..43c43e17ab7 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/templates/metamonitoring/grafana-dashboards.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/templates/metamonitoring/grafana-dashboards.yaml
@@ -29143,7 +29143,7 @@ data:
                       "span": 4,
                       "targets": [
                          {
-                            "expr": "sum by(user) (rate(cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval]))\n  /\nsum by(user) (rate(cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval])) > 0\n",
+                            "expr": "sum by(user) (cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"})\n  /\nsum by(user) (cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}) > 0\n",
                             "format": "time_series",
                             "legendFormat": "{{ user }}",
                             "legendLink": null
diff --git a/operations/mimir-mixin-compiled-baremetal/dashboards/mimir-ruler.json b/operations/mimir-mixin-compiled-baremetal/dashboards/mimir-ruler.json
index ea915031e69..e25287f8624 100644
--- a/operations/mimir-mixin-compiled-baremetal/dashboards/mimir-ruler.json
+++ b/operations/mimir-mixin-compiled-baremetal/dashboards/mimir-ruler.json
@@ -1648,7 +1648,7 @@
                   "span": 4,
                   "targets": [
                      {
-                        "expr": "sum by(user) (rate(cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval]))\n  /\nsum by(user) (rate(cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval])) > 0\n",
+                        "expr": "sum by(user) (cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"})\n  /\nsum by(user) (cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}) > 0\n",
                         "format": "time_series",
                         "legendFormat": "{{ user }}",
                         "legendLink": null
diff --git a/operations/mimir-mixin-compiled/dashboards/mimir-ruler.json b/operations/mimir-mixin-compiled/dashboards/mimir-ruler.json
index ea915031e69..e25287f8624 100644
--- a/operations/mimir-mixin-compiled/dashboards/mimir-ruler.json
+++ b/operations/mimir-mixin-compiled/dashboards/mimir-ruler.json
@@ -1648,7 +1648,7 @@
                   "span": 4,
                   "targets": [
                      {
-                        "expr": "sum by(user) (rate(cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval]))\n  /\nsum by(user) (rate(cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}[$__rate_interval])) > 0\n",
+                        "expr": "sum by(user) (cortex_prometheus_notifications_queue_length{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"})\n  /\nsum by(user) (cortex_prometheus_notifications_queue_capacity{cluster=~\"$cluster\", job=~\"($namespace)/((ruler|cortex|mimir|mimir-backend.*))\"}) > 0\n",
                         "format": "time_series",
                         "legendFormat": "{{ user }}",
                         "legendLink": null
diff --git a/operations/mimir-mixin/dashboards/ruler.libsonnet b/operations/mimir-mixin/dashboards/ruler.libsonnet
index 9190a413f1a..f1e80769a5b 100644
--- a/operations/mimir-mixin/dashboards/ruler.libsonnet
+++ b/operations/mimir-mixin/dashboards/ruler.libsonnet
@@ -162,9 +162,9 @@ local filename = 'mimir-ruler.json';
       .addPanel(
         $.timeseriesPanel('Queue length') +
         $.queryPanel(|||
-          sum by(user) (rate(cortex_prometheus_notifications_queue_length{%s}[$__rate_interval]))
+          sum by(user) (cortex_prometheus_notifications_queue_length{%s})
             /
-          sum by(user) (rate(cortex_prometheus_notifications_queue_capacity{%s}[$__rate_interval])) > 0
+          sum by(user) (cortex_prometheus_notifications_queue_capacity{%s}) > 0
         ||| % [$.jobMatcher($._config.job_names.ruler), $.jobMatcher($._config.job_names.ruler)], '{{ user }}')
         { fieldConfig+: { defaults+: { unit: 'percentunit', min: 0, max: 1 } } },
       )