diff --git a/src/plugins/qt4projectmanager/qtoptionspage.cpp b/src/plugins/qt4projectmanager/qtoptionspage.cpp
index 05e1f68188382a574e4073c91951839654bec7bb..b620910c5f23cabf1afa0396ecfb80d4de7f6dce 100644
--- a/src/plugins/qt4projectmanager/qtoptionspage.cpp
+++ b/src/plugins/qt4projectmanager/qtoptionspage.cpp
@@ -320,7 +320,7 @@ void QtOptionsPageWidget::showDebuggingBuildLog()
     if (currentItemIndex < 0)
         return;
     // Show and scroll to bottom
-    QDialog dlg;
+    QDialog dlg(this);
     Ui_ShowBuildLog ui;
     ui.setupUi(&dlg);
     ui.log->setPlainText(currentItem->data(2, Qt::UserRole).toString());