diff --git a/deploy/charts/travigo-data-importer/templates/cronjob.yaml b/deploy/charts/travigo-data-importer/templates/cronjob.yaml
index d21711b..892cd1f 100644
--- a/deploy/charts/travigo-data-importer/templates/cronjob.yaml
+++ b/deploy/charts/travigo-data-importer/templates/cronjob.yaml
@@ -7,7 +7,7 @@ metadata:
   labels:
     {{- include "travigo-data-importer.labels" $ | nindent 4 }}
 spec:
-  schedule: {{ .schedule }}
+  schedule: "{{ .schedule }}"
   jobTemplate:
     metadata:
       {{- with $.Values.podAnnotations }}
diff --git a/deploy/charts/travigo-stats/templates/cronjob.yaml b/deploy/charts/travigo-stats/templates/cronjob.yaml
index 03da7df..0c42866 100644
--- a/deploy/charts/travigo-stats/templates/cronjob.yaml
+++ b/deploy/charts/travigo-stats/templates/cronjob.yaml
@@ -7,7 +7,7 @@ metadata:
   labels:
     {{- include "travigo-stats.labels" $ | nindent 4 }}
 spec:
-  schedule: {{ .schedule }}
+  schedule: "{{ .schedule }}"
   jobTemplate:
     metadata:
       {{- with $.Values.podAnnotations }}