diff --git a/guidata/widgets/dataframeeditor.py b/guidata/widgets/dataframeeditor.py
index f21be7c..830e88c 100644
--- a/guidata/widgets/dataframeeditor.py
+++ b/guidata/widgets/dataframeeditor.py
@@ -608,7 +608,7 @@ def moveCursor(self, cursor_action, modifiers):
         ) + self.frozen_table_view.columnWidth(1)
         topleft_x = self.visualRect(current).topLeft().x()
 
-        overflow = cursor_action.MoveLeft and current.column() > 1
+        overflow = cursor_action == QAbstractItemView.MoveLeft and current.column() > 1
         overflow = overflow and topleft_x < col_width
 
         if cursor_action == overflow: