diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index a3b151732..560dea991 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -1150,19 +1150,19 @@ void MainFrame::show_device(bool bBBLPrinter) {
   }
   if (bBBLPrinter) {
     if (m_tabpanel->GetPage(tpMonitor) != m_monitor) {
-      m_printer_view->Hide();
-      m_monitor->Show(true);
-      m_tabpanel->RemovePage(tpMonitor);
-      m_tabpanel->InsertPage(tpMonitor, m_monitor, _L("Device"),
+        m_printer_view->Show(false);
+        m_monitor->Show(false);
+        m_tabpanel->RemovePage(tpMonitor);
+        m_tabpanel->InsertPage(tpMonitor, m_monitor, _L("Device"),
                              std::string("tab_monitor_active"),
                              std::string("tab_monitor_active"), false);
     }
   } else {
     if (m_tabpanel->GetPage(tpMonitor) != m_printer_view) {
-      m_printer_view->Show();
-      m_monitor->Show(false);
-      m_tabpanel->RemovePage(tpMonitor);
-      m_tabpanel->InsertPage(tpMonitor, m_printer_view, _L("Device"),
+        m_printer_view->Show(false);
+        m_monitor->Show(false);
+        m_tabpanel->RemovePage(tpMonitor);
+        m_tabpanel->InsertPage(tpMonitor, m_printer_view, _L("Device"),
                           std::string("tab_monitor_active"),
                           std::string("tab_monitor_active"), false);
     }