diff --git a/src/slic3r/GUI/Monitor.cpp b/src/slic3r/GUI/Monitor.cpp
index fade6c1429..2e9fc9ed3e 100644
--- a/src/slic3r/GUI/Monitor.cpp
+++ b/src/slic3r/GUI/Monitor.cpp
@@ -112,7 +112,7 @@ AddMachinePanel::~AddMachinePanel() {
 
     init_timer();
 
-    m_side_tools->Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(MonitorPanel::on_printer_clicked), NULL, this);
+    m_side_tools->get_panel()->Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(MonitorPanel::on_printer_clicked), NULL, this);
 
     Bind(wxEVT_TIMER, &MonitorPanel::on_timer, this);
     Bind(wxEVT_SIZE, &MonitorPanel::on_size, this);
@@ -125,7 +125,7 @@ AddMachinePanel::~AddMachinePanel() {
 
 MonitorPanel::~MonitorPanel()
 {
-    m_side_tools->Disconnect(wxEVT_LEFT_DOWN, wxMouseEventHandler(MonitorPanel::on_printer_clicked), NULL, this);
+    m_side_tools->get_panel()->Disconnect(wxEVT_LEFT_DOWN, wxMouseEventHandler(MonitorPanel::on_printer_clicked), NULL, this);
 
     if (m_refresh_timer)
         m_refresh_timer->Stop();