diff --git a/Containers/nextcloud/entrypoint.sh b/Containers/nextcloud/entrypoint.sh
index 8f564241796..3868a50b4c5 100644
--- a/Containers/nextcloud/entrypoint.sh
+++ b/Containers/nextcloud/entrypoint.sh
@@ -504,9 +504,10 @@ if [ -n "$SERVERINFO_TOKEN" ] && [ -z "$(php /var/www/html/occ config:app:get se
     php /var/www/html/occ config:app:set serverinfo token --value="$SERVERINFO_TOKEN"
 fi
 # Set maintenance window so that no warning is shown in the admin overview
-if [ -z "$(php /var/www/html/occ config:system:get maintenance_window_start)" ]; then
-    php /var/www/html/occ config:system:set maintenance_window_start --type=int --value=100
+if [ -z "$NEXTCLOUD_MAINTENANCE_WINDOW" ]; then
+    NEXTCLOUD_MAINTENANCE_WINDOW=100
 fi
+php /var/www/html/occ config:system:set maintenance_window_start --type=int --value="$NEXTCLOUD_MAINTENANCE_WINDOW"
 
 # Apply network settings
 echo "Applying network settings..."
diff --git a/nextcloud-aio-helm-chart/update-helm.sh b/nextcloud-aio-helm-chart/update-helm.sh
index 3a251b009e5..f23d9572b89 100755
--- a/nextcloud-aio-helm-chart/update-helm.sh
+++ b/nextcloud-aio-helm-chart/update-helm.sh
@@ -290,6 +290,8 @@ cat << EOL > /tmp/additional.config
               value: "{{ .Values.SERVERINFO_TOKEN }}"
             - name: NEXTCLOUD_DEFAULT_QUOTA
               value: "{{ .Values.NEXTCLOUD_DEFAULT_QUOTA }}"
+            - name: NEXTCLOUD_MAINTENANCE_WINDOW
+              value: "{{ .Values.NEXTCLOUD_MAINTENANCE_WINDOW }}"
 EOL
 # shellcheck disable=SC1083
 find ./ -name '*nextcloud-deployment.yaml' -exec sed -i "/^.*\- env:/r /tmp/additional.config"  \{} \;
@@ -385,6 +387,7 @@ APPS_ALLOWLIST:        # This allows to configure allowed apps that will be show
 ADDITIONAL_TRUSTED_PROXY:        # Allows to add one additional ip-address to Nextcloud's trusted proxies and to the Office WOPI-allowlist automatically. Set it e.g. like this: 'your.public.ip-address'. You can also use an ip-range here.
 ADDITIONAL_TRUSTED_DOMAIN:        # Allows to add one domain to Nextcloud's trusted domains and also generates a certificate automatically for it
 NEXTCLOUD_DEFAULT_QUOTA: "10 GB"       # Allows to adjust the default quota that will be taken into account in Nextcloud for new users. Setting it to "unlimited" will set it to unlimited
+NEXTCLOUD_MAINTENANCE_WINDOW:        # Allows to define the maintenance window for Nextcloud. See https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/background_jobs_configuration.html#parameters for possible values
 SMTP_HOST:        # (empty by default): The hostname of the SMTP server.
 SMTP_SECURE:         # (empty by default): Set to 'ssl' to use SSL, or 'tls' to use STARTTLS.
 SMTP_PORT:         # (default: '465' for SSL and '25' for non-secure connections): Optional port for the SMTP connection. Use '587' for an alternative port for STARTTLS.