diff --git a/helm/oauth2-proxy/Chart.yaml b/helm/oauth2-proxy/Chart.yaml
index 343313c3..9e7d7487 100644
--- a/helm/oauth2-proxy/Chart.yaml
+++ b/helm/oauth2-proxy/Chart.yaml
@@ -1,5 +1,5 @@
 name: oauth2-proxy
-version: 6.13.0
+version: 6.13.1
 apiVersion: v2
 appVersion: 7.4.0
 home: https://oauth2-proxy.github.io/oauth2-proxy/
diff --git a/helm/oauth2-proxy/templates/deployment.yaml b/helm/oauth2-proxy/templates/deployment.yaml
index e6c7b609..384adfa5 100644
--- a/helm/oauth2-proxy/templates/deployment.yaml
+++ b/helm/oauth2-proxy/templates/deployment.yaml
@@ -76,7 +76,7 @@ spec:
         {{- end }}
         {{- if kindIs "map" .Values.extraArgs }}
           {{- range $key, $value := .Values.extraArgs }}
-          {{- if $value }}
+          {{- if not (kindIs "invalid" $value) }}
           - --{{ $key }}={{ tpl ($value | toString) $ }}
           {{- else }}
           - --{{ $key }}