diff --git a/src/main/helm/templates/deployment.yaml b/src/main/helm/templates/deployment.yaml
index 149822c71846bd847aa7e1c7a15eb0e279c68122..ba379a93e17e623cf46bbc3f6e05aa8750eacff8 100644
--- a/src/main/helm/templates/deployment.yaml
+++ b/src/main/helm/templates/deployment.yaml
@@ -238,7 +238,7 @@ spec:
           {{- end }}
           {{- if (((.Values.ozgcloud).notification).eingangsbestaetigung).replyAllowed }}
           - name: ozgcloud_notification_eingangsbestaetigung_replyAllowed
-            value: {{ (((.Values.ozgcloud).notification).eingangsbestaetigung).replyAllowed }}
+            value: {{ quote (((.Values.ozgcloud).notification).eingangsbestaetigung).replyAllowed }}
           {{- end }}
 
           {{- if (.Values.ozgcloud).processors}}
diff --git a/src/test/helm/deployment_env_test.yaml b/src/test/helm/deployment_env_test.yaml
index 4a3139bfe14e2fb8f906b3edb967f13ddda778f0..4d71e36a71fcb5da19e5c6b55afd44ad528bcbd8 100644
--- a/src/test/helm/deployment_env_test.yaml
+++ b/src/test/helm/deployment_env_test.yaml
@@ -152,4 +152,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: ozgcloud_notification_eingangsbestaetigung_replyAllowed
-            value: true
\ No newline at end of file
+            value: "true"
\ No newline at end of file