diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 67bd1c4559..7c7838afa1 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -862,11 +862,11 @@ void Choice::BUILD() {
 #endif
 
     temp->Bind(wxEVT_COMBOBOX_DROPDOWN, [this](wxCommandEvent&) { m_is_dropped = true;  });
-    temp->Bind(wxEVT_COMBOBOX_CLOSEUP,  [this](wxCommandEvent& evt) {
+    temp->Bind(wxEVT_COMBOBOX_CLOSEUP,  [this, temp](wxCommandEvent&) {
 		// EVT_COMBOBOX_CLOSEUP is called after EVT_COMBOBOX on Windows
 		// so, always set m_suppress_change to "true"
 #ifndef __WXMSW__ 
-		if (m_last_selected == evt.GetSelection())
+		if (m_last_selected == temp->GetSelection())
 #endif //__WXMSW__
             m_is_dropped = false;
     });
diff --git a/src/slic3r/GUI/PresetComboBoxes.cpp b/src/slic3r/GUI/PresetComboBoxes.cpp
index c60c84bad3..1fbded3778 100644
--- a/src/slic3r/GUI/PresetComboBoxes.cpp
+++ b/src/slic3r/GUI/PresetComboBoxes.cpp
@@ -103,12 +103,12 @@ PresetComboBox::PresetComboBox(wxWindow* parent, Preset::Type preset_type, const
 
     // parameters for an icon's drawing
     fill_width_height();
-    Bind(wxEVT_COMBOBOX_DROPDOWN, [this](wxCommandEvent& evt) { m_suppress_change = false; });
-    Bind(wxEVT_COMBOBOX_CLOSEUP,  [this](wxCommandEvent& evt) {
+    Bind(wxEVT_COMBOBOX_DROPDOWN, [this](wxCommandEvent&) { m_suppress_change = false; });
+    Bind(wxEVT_COMBOBOX_CLOSEUP,  [this](wxCommandEvent&) {
         // EVT_COMBOBOX_CLOSEUP is called after EVT_COMBOBOX on Windows
         // so, always set m_suppress_change to "true"
 #ifndef __WXMSW__ 
-        if (m_last_selected == evt.GetSelection())
+        if (m_last_selected == this->GetSelection())
 #endif //__WXMSW__
             m_suppress_change = true;
     });