diff --git a/.github/workflows/codeball.yml b/.github/workflows/codeball.yml
new file mode 100644
index 0000000000..ed69d5c10e
--- /dev/null
+++ b/.github/workflows/codeball.yml
@@ -0,0 +1,17 @@
+name: Codeball
+on: [pull_request]
+
+jobs:
+  codeball_job:
+    runs-on: ubuntu-latest
+    name: Codeball
+    steps:
+      # Run Codeball on all new Pull Requests 🚀
+      # For customizations and more documentation, see https://github.com/sturdy-dev/codeball-action
+      - name: Codeball
+        uses: sturdy-dev/codeball-action@v2
+        with:
+          approvePullRequests: "true"
+          labelPullRequestsWhenApproved: "true"
+          labelPullRequestsWhenReviewNeeded: "false"
+          failJobsWhenReviewNeeded: "false"
diff --git a/pkg/query-service/app/clickhouseReader/reader.go b/pkg/query-service/app/clickhouseReader/reader.go
index a55977c35f..1258060c41 100644
--- a/pkg/query-service/app/clickhouseReader/reader.go
+++ b/pkg/query-service/app/clickhouseReader/reader.go
@@ -1188,7 +1188,7 @@ func (r *ClickHouseReader) GetServices(ctx context.Context, queryParams *model.G
 	m4xx := make(map[string]uint64)
 
 	for j := range service4xxItems {
-		m5xx[service4xxItems[j].ServiceName] = service4xxItems[j].Num4XX
+		m4xx[service4xxItems[j].ServiceName] = service4xxItems[j].Num4XX
 	}
 
 	for i := range serviceItems {