diff --git a/CHANGELOG.md b/CHANGELOG.md
index de6991fb..d0f83f69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
   ```
 * [ENHANCEMENT] Add `EtcdAllocatingTooMuchMemory` alert for monitoring etcd memory usage. #261
 * [ENHANCEMENT] Sort legend descending in the CPU/memory panels. #271
+* [BUGFIX] Fixed `CortexQuerierHighRefetchRate` alert. #268
 
 ## 1.7.0 / 2021-02-24
 
diff --git a/cortex-mixin/alerts/blocks.libsonnet b/cortex-mixin/alerts/blocks.libsonnet
index beeb6240..ab1f15fb 100644
--- a/cortex-mixin/alerts/blocks.libsonnet
+++ b/cortex-mixin/alerts/blocks.libsonnet
@@ -172,7 +172,7 @@
               (
                 sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_count[5m]))
                 -
-                sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_bucket{le="0"}[5m]))
+                sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_bucket{le="0.0"}[5m]))
               )
               /
               sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_count[5m]))