diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4a773c3d8c..1b87d87933b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -113,7 +113,7 @@
 * [ENHANCEMENT] Shuffle-sharding: add `$._config.shuffle_sharding.ingest_storage_partitions_enabled` and `$._config.shuffle_sharding.ingester_partitions_shard_size` options, that allow configuring partitions shard size in ingest-storage mode. #7804
 * [ENHANCEMENT] Rollout-operator: upgrade to v0.14.0.
 * [ENHANCEMENT] Add `_config.autoscaling_querier_predictive_scaling_enabled` to scale querier based on inflight queries 7 days ago. #7775
-* [ENHANCEMENT] Add support to autoscale ruler-querier replicas based on in-flight queries too (in addition to CPU and memory based scaling). #8060
+* [ENHANCEMENT] Add support to autoscale ruler-querier replicas based on in-flight queries too (in addition to CPU and memory based scaling). #8060 #8188
 * [BUGFIX] Guard against missing samples in KEDA queries. #7691
 
 ### Mimirtool
diff --git a/operations/mimir-tests/test-autoscaling-custom-target-utilization-generated.yaml b/operations/mimir-tests/test-autoscaling-custom-target-utilization-generated.yaml
index 5ce9c0370d7..00204331420 100644
--- a/operations/mimir-tests/test-autoscaling-custom-target-utilization-generated.yaml
+++ b/operations/mimir-tests/test-autoscaling-custom-target-utilization-generated.yaml
@@ -2384,11 +2384,11 @@ spec:
     type: prometheus
   - metadata:
       ignoreNullValues: "false"
-      metricName: cortex_ruler_querier_queries_hpa_default
+      metricName: ruler_querier_queries_hpa_default
       query: sum(max_over_time(cortex_query_scheduler_inflight_requests{container="ruler-query-scheduler",namespace="default",quantile="0.5"}[1m]))
       serverAddress: http://prometheus.default:9090/prometheus
       threshold: "7"
-    name: cortex_ruler_querier_queries_hpa_default
+    name: ruler_querier_queries_hpa_default
     type: prometheus
 ---
 apiVersion: keda.sh/v1alpha1
diff --git a/operations/mimir-tests/test-autoscaling-generated.yaml b/operations/mimir-tests/test-autoscaling-generated.yaml
index b119801f865..6afb2a08678 100644
--- a/operations/mimir-tests/test-autoscaling-generated.yaml
+++ b/operations/mimir-tests/test-autoscaling-generated.yaml
@@ -2384,11 +2384,11 @@ spec:
     type: prometheus
   - metadata:
       ignoreNullValues: "false"
-      metricName: cortex_ruler_querier_queries_hpa_default
+      metricName: ruler_querier_queries_hpa_default
       query: sum(max_over_time(cortex_query_scheduler_inflight_requests{container="ruler-query-scheduler",namespace="default",quantile="0.5"}[1m]))
       serverAddress: http://prometheus.default:9090/prometheus
       threshold: "6"
-    name: cortex_ruler_querier_queries_hpa_default
+    name: ruler_querier_queries_hpa_default
     type: prometheus
 ---
 apiVersion: keda.sh/v1alpha1
diff --git a/operations/mimir/autoscaling.libsonnet b/operations/mimir/autoscaling.libsonnet
index 6386df062e7..575d1ab8a99 100644
--- a/operations/mimir/autoscaling.libsonnet
+++ b/operations/mimir/autoscaling.libsonnet
@@ -478,7 +478,7 @@
           local name = 'ruler-querier-queries',
           local querier_max_concurrent = $.ruler_querier_args['querier.max-concurrent'],
 
-          metric_name: 'cortex_%s_hpa_%s' % [std.strReplace(name, '-', '_'), $._config.namespace],
+          metric_name: '%s_hpa_%s' % [std.strReplace(name, '-', '_'), $._config.namespace],
 
           // Each ruler-query-scheduler tracks *at regular intervals* the number of inflight requests
           // (both enqueued and processing queries) as a summary. With the following query we target