diff --git a/src/channelmanager.cpp b/src/channelmanager.cpp
--- a/src/channelmanager.cpp
+++ b/src/channelmanager.cpp
@@ -79,6 +79,7 @@ void ChannelManager::setNumOfChannels(un
         }
     }
 
+    _numOfChannels = number;
     _infoModel.setNumOfChannels(number);
 
     emit numOfChannelsChanged(number);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -463,6 +463,11 @@ void MainWindow::messageHandler(QtMsgTyp
     {
         ui->statusBar->showMessage(msg, 5000);
     }
+
+    if (type == QtFatalMsg)
+    {
+        __builtin_trap();
+    }
 }
 
 void MainWindow::saveAllSettings(QSettings* settings)