diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp
--- a/src/widgets/dropdown.cpp
+++ b/src/widgets/dropdown.cpp
@@ -258,7 +258,7 @@ void ShowDropDownList(Window *w, DropDow
 		_dropdown_menu_widgets);
 
 	dw->widget[0].color = wi->color;
-	dw->widget[0].right = width + 1;
+	dw->widget[0].right = width - 1;
 	dw->widget[0].bottom = height - 1;
 
 	dw->SetWidgetHiddenState(1, !scroll);