diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index 049c44088..924354b4b 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -625,10 +625,10 @@ void DolphinMainWindow::closeEvent(QCloseEvent* event)
         }
 
         switch (result) {
-            case KDialog::Yes:
+            case QDialogButtonBox::Yes:
                 // Quit
                 break;
-            case KDialog::No:
+            case QDialogButtonBox::No:
                 // Close only the current tab
                 closeTab();
             default: