diff --git a/devtoolsplugin.cpp b/devtoolsplugin.cpp
index 0bb29b2..c18d054 100644
--- a/devtoolsplugin.cpp
+++ b/devtoolsplugin.cpp
@@ -1,7 +1,5 @@
 #include "devtoolsplugin.h"
 
-#include <memory>
-
 #include <QDebug>
 #include <QDir>
 #include <QCoreApplication>
@@ -16,19 +14,18 @@
 #include "logmodel.h"
 #include "logdialog.h"
 
-std::shared_ptr<LogModel> model;
+LogModel model;
 QtMessageHandler previousHandler;
 
 void myMessageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message)
 {
     previousHandler(type, context, message);
 
-    model->log(type, context.file, context.line, context.function, context.category, message);
+    model.log(type, context.file, context.line, context.function, context.category, message);
 }
 
 void registerMessageHandler()
 {
-    model = std::make_shared<LogModel>();
     previousHandler = qInstallMessageHandler(myMessageHandler);
 }
 
@@ -54,8 +51,10 @@ DevToolsPlugin::DevToolsPlugin(QObject *parent) :
 
 void DevToolsPlugin::attachTo(MainWindow &mainWindow)
 {
-    auto dialog = new LogDialog(&mainWindow);
-    dialog->setModel(model.get());
     mainWindow.menuTools()->addAction(QIcon(QStringLiteral(":/zeiterfassung/plugins/devtoolsplugin/images/dev-tools.png")),
-                                      tr("Show log"), dialog, &QWidget::show);
+                                      tr("Show log"), &mainWindow, [&mainWindow](){
+        LogDialog dialog(&mainWindow);
+        dialog.setModel(&model);
+        dialog.exec();
+    });
 }