diff --git a/src/Bind4D.Component.DBGrid.pas b/src/Bind4D.Component.DBGrid.pas
index bddd6a8..9f3e407 100644
--- a/src/Bind4D.Component.DBGrid.pas
+++ b/src/Bind4D.Component.DBGrid.pas
@@ -100,6 +100,8 @@ function TBind4DComponentDBGrid.AdjusteResponsivity: iBind4DComponent;
   aTotalWidthAttr := 0;
   aCountTotalColumnsVisible := 0;
 
+  if not Assigned(FComponent.Columns) then exit;
+
    for I := 0 to Pred(FComponent.Columns.Count) do
     FComponent.Columns[i].Width := 100;