diff --git a/stable/traefik/templates/configmap.yaml b/stable/traefik/templates/configmap.yaml
index 4bb17b8583..b6a7be7993 100644
--- a/stable/traefik/templates/configmap.yaml
+++ b/stable/traefik/templates/configmap.yaml
@@ -89,7 +89,7 @@ data:
     {{- end }}
     {{ if .Values.metrics.prometheus.enabled }}
     [web.metrics.prometheus]
-      Buckets = {{ .Values.metrics.prometheus.buckets }}
+      Buckets = [{{ .Values.metrics.prometheus.buckets }}]
     {{- end }}
     {{ if .Values.metrics.datadog.enabled }}
     [web.metrics.datadog]
diff --git a/stable/traefik/values.yaml b/stable/traefik/values.yaml
index df01394e57..7b236a64e7 100644
--- a/stable/traefik/values.yaml
+++ b/stable/traefik/values.yaml
@@ -91,7 +91,7 @@ rbac:
 metrics:
   prometheus:
     enabled: false
-    buckets: 0.1,0.3,1.2,5
+    buckets: 0.1,0.3,1.2,5.0
   datadog:
     enabled: false
     # address: "localhost:8125"