diff --git a/charts/vcluster/Chart.yaml b/charts/vcluster/Chart.yaml
index 4a13e5f6..b3a39dd2 100644
--- a/charts/vcluster/Chart.yaml
+++ b/charts/vcluster/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: vcluster
 description: Virtual Kubernetes Cluster
 type: application
-version: 0.5.6
+version: 0.5.7
 appVersion: 0.1.0
 keywords:
   - vcluster
diff --git a/charts/vcluster/README.md b/charts/vcluster/README.md
index ffde3571..42389133 100644
--- a/charts/vcluster/README.md
+++ b/charts/vcluster/README.md
@@ -2,7 +2,7 @@
 
 __This Chart is under active development! We try to improve documentation and values consistency over time__
 
-![Version: 0.5.6](https://img.shields.io/badge/Version-0.5.6-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.5.7](https://img.shields.io/badge/Version-0.5.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 Virtual Kubernetes Cluster
 
diff --git a/charts/vcluster/templates/components/kubernetes/apiserver/probe.yaml b/charts/vcluster/templates/components/kubernetes/apiserver/probe.yaml
index 0aafd302..e6d8185d 100644
--- a/charts/vcluster/templates/components/kubernetes/apiserver/probe.yaml
+++ b/charts/vcluster/templates/components/kubernetes/apiserver/probe.yaml
@@ -28,7 +28,7 @@ spec:
     url: {{ .url | default "blackbox-exporter-prometheus-blackbox-exporter:9115" }}
     path: {{ .path | default "/probe" }}
     scheme: {{ .scheme | default "http" }}
-    proxyUrl: {{ .proxyUrl | default ""}}
+    proxyUrl: {{ .proxyUrl | default "" | quote }}
   {{- end }}
   targets:
     staticConfig: