diff --git a/services/nextcloud-mail-sync/cronjob.yaml b/services/nextcloud-mail-sync/cronjob.yaml
index b4baa9c..2073d76 100644
--- a/services/nextcloud-mail-sync/cronjob.yaml
+++ b/services/nextcloud-mail-sync/cronjob.yaml
@@ -45,6 +45,9 @@ spec:
               export KC_ADMIN_PASS="{{ .Data.data.password }}"
               {{ end }}
         spec:
+          nodeSelector:
+            kubernetes.io/arch: arm64
+            node-role.kubernetes.io/worker: "true"
           restartPolicy: OnFailure
           securityContext:
             runAsUser: 0