diff --git a/monitoring/mongodb/alerts.test.yaml b/monitoring/mongodb/alerts.test.yaml
index 0774e5e47..2d6611d15 100644
--- a/monitoring/mongodb/alerts.test.yaml
+++ b/monitoring/mongodb/alerts.test.yaml
@@ -343,10 +343,14 @@ tests:
         values: 1x10
       - series: mongodb_rs_members_state{namespace="zenko", pod="data-db-mongodb-sharded-shard0-data-1", member_state="SECONDARY", rs_nm="data-db-mongodb-sharded-shard-0", rs_state="1"}
         values: 2x10
+      - series: mongodb_rs_members_state{namespace="zenko", pod="data-db-mongodb-sharded-shard0-data-1", member_state="SECONDARY", rs_nm="data-db-mongodb-sharded-shard-0", rs_state="1"}
+        values: 2x10
       - series: mongodb_rs_members_state{namespace="zenko", pod="data-db-mongodb-sharded-shard0-data-2", member_state="PRIMARY", rs_nm="data-db-mongodb-sharded-shard-0", rs_state="1"}
         values: 1x10
       - series: mongodb_rs_members_state{namespace="zenko", pod="data-db-mongodb-sharded-shard0-data-2", member_state="SECONDARY", rs_nm="data-db-mongodb-sharded-shard-0", rs_state="1"}
         values: 2x10
+      - series: mongodb_rs_members_state{namespace="zenko", pod="data-db-mongodb-sharded-shard0-data-2", member_state="SECONDARY", rs_nm="data-db-mongodb-sharded-shard-0", rs_state="1"}
+        values: 2x10
 
     alert_rule_test:
       - alertname: MongoDbRSNotSynced
diff --git a/monitoring/mongodb/alerts.yaml b/monitoring/mongodb/alerts.yaml
index faf7eefb6..80ac784e7 100644
--- a/monitoring/mongodb/alerts.yaml
+++ b/monitoring/mongodb/alerts.yaml
@@ -183,7 +183,7 @@ groups:
 
   - alert: MongoDbRSNotSynced
     expr: |
-      count by (rs_nm) (mongodb_rs_members_state{namespace="${namespace}", pod=~"${service}.*", member_state="SECONDARY", rs_state="1"}) != (${replicas} - 1)
+      count by (pod) (mongodb_rs_members_state{namespace="${namespace}", pod=~"${service}.*", member_state="SECONDARY", rs_state="1"}) != (${replicas} - 1)
     for: 10m
     labels:
       severity: warning