diff --git a/customtkinter/windows/widgets/ctk_segmented_button.py b/customtkinter/windows/widgets/ctk_segmented_button.py
index fedbeed..f1ef0da 100644
--- a/customtkinter/windows/widgets/ctk_segmented_button.py
+++ b/customtkinter/windows/widgets/ctk_segmented_button.py
@@ -186,7 +186,7 @@ class CTkSegmentedButton(CTkFrame):
 
         for index, value in enumerate(self._value_list):
             self.grid_columnconfigure(index, weight=1, minsize=self._current_height)
-            self._buttons_dict[value].grid(row=0, column=index, sticky="ew")
+            self._buttons_dict[value].grid(row=0, column=index, sticky="nsew")
 
     def _create_buttons_from_values(self):
         assert len(self._buttons_dict) == 0
diff --git a/customtkinter/windows/widgets/ctk_tabview.py b/customtkinter/windows/widgets/ctk_tabview.py
index 376e738..599f59c 100644
--- a/customtkinter/windows/widgets/ctk_tabview.py
+++ b/customtkinter/windows/widgets/ctk_tabview.py
@@ -171,9 +171,10 @@ class CTkTabview(CTkBaseClass):
                                   padx=self._apply_widget_scaling(max(self._corner_radius, self._border_width)),
                                   pady=self._apply_widget_scaling(max(self._corner_radius, self._border_width)))
 
-    def _grid_forget_all_tabs(self):
-        for frame in self._tab_dict.values():
-            frame.grid_forget()
+    def _grid_forget_all_tabs(self, exclude_name=None):
+        for name, frame in self._tab_dict.items():
+            if name != exclude_name:
+                frame.grid_forget()
 
     def _create_tab(self) -> CTkFrame:
         new_tab = CTkFrame(self,
@@ -360,8 +361,8 @@ class CTkTabview(CTkBaseClass):
         if name in self._tab_dict:
             self._current_name = name
             self._segmented_button.set(name)
-            self._grid_forget_all_tabs()
             self._set_grid_tab_by_name(name)
+            self.after(100, lambda: self._grid_forget_all_tabs(exclude_name=name))
         else:
             raise ValueError(f"CTkTabview has no tab named '{name}'")
 
diff --git a/customtkinter/windows/widgets/font/ctk_font.py b/customtkinter/windows/widgets/font/ctk_font.py
index 551b3a6..e0eca0d 100644
--- a/customtkinter/windows/widgets/font/ctk_font.py
+++ b/customtkinter/windows/widgets/font/ctk_font.py
@@ -52,7 +52,10 @@ class CTkFont(Font):
 
     def remove_size_configure_callback(self, callback: Callable):
         """ remove function, that gets called when font got configured """
-        self._size_configure_callback_list.remove(callback)
+        try:
+            self._size_configure_callback_list.remove(callback)
+        except ValueError:
+            pass
 
     def create_scaled_tuple(self, font_scaling: float) -> Tuple[str, int, str]:
         """ return scaled tuple representation of font in the form (family: str, size: int, style: str)"""