diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 23135e964..e54ce45ed 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -1131,17 +1131,26 @@ void MainWindow::on_actionStatistics_triggered()
 void MainWindow::showEvent(QShowEvent *e)
 {
     qDebug("** Show Event **");
+    e->accept();
 
-    if (currentTabWidget() == m_transferListWidget)
-        m_propertiesWidget->loadDynamicData();
+    if (isVisible())
+    {
+        // preparations before showing the window
 
-    e->accept();
+        if (currentTabWidget() == m_transferListWidget)
+            m_propertiesWidget->loadDynamicData();
 
-    // Make sure the window is initially centered
-    if (!m_posInitialized)
+        // Make sure the window is initially centered
+        if (!m_posInitialized)
+        {
+            move(Utils::Gui::screenCenter(this));
+            m_posInitialized = true;
+        }
+    }
+    else
     {
-        move(Utils::Gui::screenCenter(this));
-        m_posInitialized = true;
+        // to avoid blank screen when restoring from tray icon
+        show();
     }
 }