diff --git a/TermTk/TTkWidgets/TTkPickers/colorpicker.py b/TermTk/TTkWidgets/TTkPickers/colorpicker.py
index bda2d564..b6cad09a 100644
--- a/TermTk/TTkWidgets/TTkPickers/colorpicker.py
+++ b/TermTk/TTkWidgets/TTkPickers/colorpicker.py
@@ -387,6 +387,7 @@ class TTkColorDialogPicker(TTkWindow):
         b.colorClicked.connect(_controlSetColor)
 
         customLayout.addWidget(b:=TTkButton(border=False, text='Add to Custom Colors'),1,0,1,8)
+        customLayout.update()
 
         @pyTTkSlot()
         def _addCustomPressed():