diff --git a/src/plugins/help/helpplugin.cpp b/src/plugins/help/helpplugin.cpp
index 1f3d0cb6dae..33d490b3d22 100644
--- a/src/plugins/help/helpplugin.cpp
+++ b/src/plugins/help/helpplugin.cpp
@@ -721,7 +721,7 @@ void HelpPlugin::updateCloseButton()
     const bool closeOnReturn = HelpManager::customValue(QLatin1String("ReturnOnClose"),
         false).toBool();
     m_closeButton->setEnabled((OpenPagesManager::instance().pageCount() > 1)
-        | closeOnReturn);
+                              || closeOnReturn);
 }
 
 void HelpPlugin::fontChanged()