diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 4e5e882fadd..7ea5181edf8 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1547,7 +1547,7 @@ bool GUI_App::tabs_as_menu() const
 
 wxSize GUI_App::get_min_size() const
 {
-    return wxSize(76*m_em_unit, 49 * m_em_unit);
+    return wxSize(68 * m_em_unit, 38 * m_em_unit);
 }
 
 float GUI_App::toolbar_icon_scale(const bool is_limited/* = false*/) const
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index d32a080bbfc..30fb6260c08 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -2214,7 +2214,7 @@ SettingsDialog::SettingsDialog(MainFrame* mainframe)
     SetSizer(sizer);
     //Fit(); // not useful for non-modal dialog
 
-    const wxSize min_size = wxSize(85 * em_unit(), 50 * em_unit());
+    const wxSize min_size = wxSize(68 * em_unit(), 38 * em_unit());
 #ifdef __APPLE__
     // Using SetMinSize() on Mac messes up the window position in some cases
     // cf. https://groups.google.com/forum/#!topic/wx-users/yUKPBBfXWO0
@@ -2232,7 +2232,7 @@ void SettingsDialog::on_dpi_changed(const wxRect& suggested_rect)
         return;
 
     const int& em = em_unit();
-    const wxSize& size = wxSize(85 * em, 50 * em);
+    const wxSize& size = wxSize(68 * em, 38 * em);
 
 #ifdef _MSW_DARK_MODE
     // update common mode sizer
@@ -2244,9 +2244,15 @@ void SettingsDialog::on_dpi_changed(const wxRect& suggested_rect)
     for (auto tab : wxGetApp().tabs_list)
         tab->msw_rescale();
 
+#ifdef __APPLE__
+    // Using SetMinSize() on Mac messes up the window position in some cases
+    // cf. https://groups.google.com/forum/#!topic/wx-users/yUKPBBfXWO0
+    SetSize(size);
+#else
     SetMinSize(size);
-    //Fit(); // not useful for non-modal dialog
-    Refresh();
+    SetSize(GetMinSize());
+#endif
+    Layout();
 }
 
 
diff --git a/src/slic3r/GUI/OptionsGroup.hpp b/src/slic3r/GUI/OptionsGroup.hpp
index 67c3fbdbdeb..94f79718ec5 100644
--- a/src/slic3r/GUI/OptionsGroup.hpp
+++ b/src/slic3r/GUI/OptionsGroup.hpp
@@ -96,7 +96,7 @@ class OptionsGroup {
 public:
     const bool		staticbox {true};
     const wxString	title;
-    size_t			label_width = 20 ;// {200};
+    size_t			label_width = 18 ;// {200};
     wxSizer*		sizer {nullptr};
 	OG_CustomCtrl*  custom_ctrl{ nullptr };
 	int				ctrl_horiz_alignment{ wxALIGN_LEFT};