diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 9cd933160..52b930a60 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -540,13 +540,26 @@ void Choice::BUILD() {
 	else{
 		for (auto el : m_opt.enum_labels.empty() ? m_opt.enum_values : m_opt.enum_labels) {
 			const wxString& str = _(el);//m_opt_id == "support" ? _(el) : el;
-			//FIXME Vojtech: Why is the single column empty icon necessary? It is a workaround of some kind, but what for?
-			// Please document such workarounds by comments!
-            // temp->Append(str, create_scaled_bitmap("empty_icon.png"));
-            temp->Append(str, wxNullBitmap);
+			temp->Append(str);
 		}
 		set_selection();
 	}
+
+#ifndef __WXGTK__
+    /* Workaround for a correct rendering of the control without Bitmap (under MSW and OSX):
+     * 
+     * 1. We should create small Bitmap to fill Bitmaps RefData,
+     *    ! in this case wxBitmap.IsOK() return true.
+     * 2. But then set width to 0 value for no using of bitmap left and right spacing 
+     * 3. Set this empty bitmap to the at list one item and BitmapCombobox will be recreated correct
+     * 
+     * Note: Set bitmap height to the Font size because of OSX rendering.
+     */
+    wxBitmap empty_bmp(1, temp->GetFont().GetPixelSize().y + 2);
+    empty_bmp.SetWidth(0);
+    temp->SetItemBitmap(0, empty_bmp);
+#endif
+
 // 	temp->Bind(wxEVT_TEXT, ([this](wxCommandEvent e) { on_change_field(); }), temp->GetId());
  	temp->Bind(wxEVT_COMBOBOX, ([this](wxCommandEvent e) { on_change_field(); }), temp->GetId());
 
diff --git a/src/slic3r/GUI/GUI_ObjectSettings.cpp b/src/slic3r/GUI/GUI_ObjectSettings.cpp
index dbfdb8e6c..4c0879ad3 100644
--- a/src/slic3r/GUI/GUI_ObjectSettings.cpp
+++ b/src/slic3r/GUI/GUI_ObjectSettings.cpp
@@ -123,8 +123,8 @@ void ObjectSettings::update_settings_list()
                     continue;
 
                 auto optgroup = std::make_shared<ConfigOptionsGroup>(m_og->ctrl_parent(), cat.first, config, false, extra_column);
-                optgroup->label_width = 15 * wxGetApp().em_unit();//150;
-                optgroup->sidetext_width = 7 * wxGetApp().em_unit();//70;
+                optgroup->label_width = 15 * wxGetApp().em_unit();
+                optgroup->sidetext_width = 5.5 * wxGetApp().em_unit();
 
                 optgroup->m_on_change = [](const t_config_option_key& opt_id, const boost::any& value) {
                                         wxGetApp().obj_list()->part_settings_changed(); };
@@ -134,7 +134,7 @@ void ObjectSettings::update_settings_list()
                     if (opt == "extruder")
                         continue;
                     Option option = optgroup->get_option(opt);
-                    option.opt.width = 7 * wxGetApp().em_unit();//70;
+                    option.opt.width = 12 * wxGetApp().em_unit();
                     optgroup->append_single_option_line(option);
                 }
                 optgroup->reload_config();