diff --git a/languagetool/templates/deployment.yaml b/languagetool/templates/deployment.yaml
index 5ea84356eac965f61c7aeff7cbffeb99981738ed..e19888db421fa8f0a79b473272a82e27385507c9 100644
--- a/languagetool/templates/deployment.yaml
+++ b/languagetool/templates/deployment.yaml
@@ -45,7 +45,7 @@ spec:
             - "8080"
             - "--public"
             - "--allow-origin"
-            - "{{ .Values.ingress.origins }}"
+            - "{{ join "," .Values.ingress.origins }}"
           ports:
             - name: http
               containerPort: 8080
diff --git a/languagetool/values.yaml b/languagetool/values.yaml
index c7a8fd09a60aa94a25bc804e9487d79018786082..5dca761c191bb2eb51e712b7f708c574a827e45a 100644
--- a/languagetool/values.yaml
+++ b/languagetool/values.yaml
@@ -43,6 +43,7 @@ service:
 ingress:
   host: "example.com"
   path: "/"
+  origins: [ ]
   annotations: { }
 
 podAnnotations: { }