diff --git a/hexrdgui/masking/mask_manager.py b/hexrdgui/masking/mask_manager.py
index a567751e5..f348c263f 100644
--- a/hexrdgui/masking/mask_manager.py
+++ b/hexrdgui/masking/mask_manager.py
@@ -368,6 +368,8 @@ def masks_to_panel_buffer(self, selection):
                     mask = ~np.logical_or(~mask, ~buffer_value)
             buffer['value'] = mask
 
+        HexrdConfig().rerender_needed.emit()
+
     def clear_all(self):
         self.masks.clear()