diff --git a/src/slic3r/GUI/GUI_ObjectLayers.cpp b/src/slic3r/GUI/GUI_ObjectLayers.cpp
index 0d2033646b7..135e109a6ad 100644
--- a/src/slic3r/GUI/GUI_ObjectLayers.cpp
+++ b/src/slic3r/GUI/GUI_ObjectLayers.cpp
@@ -22,8 +22,10 @@ namespace GUI
 ObjectLayers::ObjectLayers(wxWindow* parent) :
     OG_Settings(parent, true)
 {
-    m_grid_sizer = new wxFlexGridSizer(3, 0, wxGetApp().em_unit()); // "Min Z", "Max Z", "Layer height" & buttons sizer
+    m_grid_sizer = new wxFlexGridSizer(5, 0, wxGetApp().em_unit()); // Title, Min Z, "to", Max Z, unit & buttons sizer
     m_grid_sizer->SetFlexibleDirection(wxHORIZONTAL);
+    m_grid_sizer->AddGrowableCol(1);
+    m_grid_sizer->AddGrowableCol(3);
 
     m_og->activate();
     m_og->sizer->Clear(true);
@@ -75,7 +77,7 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
     auto head_text = new wxStaticText(m_parent, wxID_ANY, _L("Height Range"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
     head_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
     head_text->SetFont(wxGetApp().normal_font());
-    m_grid_sizer->Add(head_text, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, wxGetApp().em_unit());
+    m_grid_sizer->Add(head_text, 0, wxALIGN_CENTER_VERTICAL);
 
     // Add control for the "Min Z"
 
@@ -101,14 +103,12 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
 
     select_editor(editor, is_last_edited_range);
 
-    auto sizer1 = new wxBoxSizer(wxHORIZONTAL);
-    sizer1->Add(editor);
+    m_grid_sizer->Add(editor, 1, wxEXPAND);
+
     auto middle_text = new wxStaticText(m_parent, wxID_ANY, _L("to"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
     middle_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
     middle_text->SetFont(wxGetApp().normal_font());
-    sizer1->Add(middle_text, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, wxGetApp().em_unit());
-
-    m_grid_sizer->Add(sizer1);
+    m_grid_sizer->Add(middle_text, 0, wxALIGN_CENTER_VERTICAL);
 
     // Add control for the "Max Z"
 
@@ -132,13 +132,13 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
     });
 
     //select_editor(editor, is_last_edited_range);
+    m_grid_sizer->Add(editor, 1, wxEXPAND);
 
     auto sizer2 = new wxBoxSizer(wxHORIZONTAL);
-    sizer2->Add(editor);
     auto unit_text = new wxStaticText(m_parent, wxID_ANY, _L("mm"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
     unit_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
     unit_text->SetFont(wxGetApp().normal_font());
-    sizer2->Add(unit_text, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, wxGetApp().em_unit());
+    sizer2->Add(unit_text, 0, wxALIGN_CENTER_VERTICAL);
 
     m_grid_sizer->Add(sizer2);
 
@@ -335,7 +335,7 @@ LayerRangeEditor::LayerRangeEditor( ObjectLayers* parent,
     m_type(type),
     m_set_focus_data(set_focus_data_fn),
     wxTextCtrl(parent->m_parent, wxID_ANY, value, wxDefaultPosition, 
-               wxSize(8 * em_unit(parent->m_parent), wxDefaultCoord), wxTE_PROCESS_ENTER
+               wxSize(em_unit(parent->m_parent), wxDefaultCoord), wxTE_PROCESS_ENTER
 #ifdef _WIN32
         | wxBORDER_SIMPLE
 #endif
@@ -444,7 +444,7 @@ coordf_t LayerRangeEditor::get_value()
 
 void LayerRangeEditor::msw_rescale()
 {
-    SetMinSize(wxSize(8 * wxGetApp().em_unit(), wxDefaultCoord));
+    SetMinSize(wxSize(wxGetApp().em_unit(), wxDefaultCoord));
 }
 
 } //namespace GUI