diff --git a/components/todolist/todolist.pas b/components/todolist/todolist.pas
index c6cb33833e..a8e6a78d66 100644
--- a/components/todolist/todolist.pas
+++ b/components/todolist/todolist.pas
@@ -300,7 +300,7 @@ begin
     end;
 
     ResolveIDEItem(CurOwner,CurProject,CurPkg);
-    Assert(Assigned(CurOwner), 'TIDETodoWindow.UpdateTodos: CurOwner=Nil');
+    if CurOwner=nil then Exit;
 
     Flags:=[];
     if chkListed.Checked then