diff --git a/qgrid/grid.py b/qgrid/grid.py
index 44887b25..0fda7ef5 100644
--- a/qgrid/grid.py
+++ b/qgrid/grid.py
@@ -521,7 +521,7 @@ def stringify(x):
         return str(x)
 
 
-@widgets.register()
+@widgets.register
 class QgridWidget(widgets.DOMWidget):
     """
     The widget class which is instantiated by the ``show_grid`` method. This