diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 5ec622b87..6b210a708 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -1048,8 +1048,7 @@ void Choice::set_selection()
     choice_ctrl* field = dynamic_cast<choice_ctrl*>(window);
 	switch (m_opt.type) {
 	case coEnum:{
-		int id_value = m_opt.get_default_value<ConfigOptionEnum<SeamPosition>>()->value; //!!
-        field->SetSelection(id_value);
+        field->SetSelection(m_opt.default_value->getInt());
 		break;
 	}
 	case coFloat:
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 3b4236a61..581e63034 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -64,7 +64,7 @@ enum class ActionButtonType : int;
 
 class Sidebar : public wxPanel
 {
-    ConfigOptionMode    m_mode;
+    ConfigOptionMode    m_mode{ConfigOptionMode::comSimple};
 public:
     Sidebar(Plater *parent);
     Sidebar(Sidebar &&) = delete;