diff --git a/src/designer/src/designer/qdesigner_actions.cpp b/src/designer/src/designer/qdesigner_actions.cpp
index d00783d85e553c7e4a919fa7ee7a32e42b08bee1..8f6d978a755efb85c68403b16e5b24e59b0af4de 100644
--- a/src/designer/src/designer/qdesigner_actions.cpp
+++ b/src/designer/src/designer/qdesigner_actions.cpp
@@ -1044,7 +1044,7 @@ QAction *QDesignerActions::minimizeAction() const
 void QDesignerActions::showDesignerHelp()
 {
     QString url = AssistantClient::designerManualUrl();
-    url += QStringLiteral("qtdesigner-index.html");
+    url += QStringLiteral("qtdesigner-manual.html");
     showHelp(url);
 }