diff --git a/addons/tidb/templates/clusterversion.yaml b/addons/tidb/templates/clusterversion.yaml
index 5f1c1b12c..43fa81f28 100644
--- a/addons/tidb/templates/clusterversion.yaml
+++ b/addons/tidb/templates/clusterversion.yaml
@@ -26,5 +26,5 @@ spec:
         image: {{ .Values.image.registry | default "docker.io" }}/{{ .Values.image.tidb.repository }}:{{ default .Chart.AppVersion .Values.image.tag }}
         imagePullPolicy: {{ default "IfNotPresent" .Values.image.pullPolicy }}
       - name: slowlog
-        image: {{ .Values.image.helper.registry | default ( .Values.image.registry | default "docker.io" ) }}/{{ .Values.image.helper.repository }}/{{ .Values.image.helper.tag }}
+        image: {{ .Values.image.helper.registry | default ( .Values.image.registry | default "docker.io" ) }}/{{ .Values.image.helper.repository }}:{{ .Values.image.helper.tag }}
         imagePullPolicy: {{ default .Values.image.helper.pullPolicy "IfNotPresent" }}