diff --git a/hawkbit-ui/src/main/resources/hawkbit-ui-defaults.properties b/hawkbit-ui/src/main/resources/hawkbit-ui-defaults.properties
index 3c13cf689..3ead3843d 100644
--- a/hawkbit-ui/src/main/resources/hawkbit-ui-defaults.properties
+++ b/hawkbit-ui/src/main/resources/hawkbit-ui-defaults.properties
@@ -23,7 +23,7 @@ hawkbit.server.ui.links.documentation.rollout-view=https://www.eclipse.org/hawkb
 hawkbit.server.ui.links.documentation.system-configuration-view=https://www.eclipse.org/hawkbit/ui/
 hawkbit.server.ui.links.documentation.targetfilter-view=https://www.eclipse.org/hawkbit/ui/#target-filter-management
 hawkbit.server.ui.links.documentation.upload-view=https://www.eclipse.org/hawkbit/ui/#artifact-management
-hawkbit.server.ui.links.documentation.maintenance-window-view=http://www.quartz-scheduler.org/documentation/quartz-2.x/tutorials/crontrigger.html
+hawkbit.server.ui.links.documentation.maintenance-window-view=http://www.quartz-scheduler.org/documentation/quartz-2.3.0/tutorials/crontrigger.html
 
 # UI Favicon disabled to use our Eclipse icon
 spring.mvc.favicon.enabled=false