diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp
index b55bcd644c..225140e9e5 100644
--- a/src/widgets/dropdown.cpp
+++ b/src/widgets/dropdown.cpp
@@ -49,7 +49,7 @@ struct dropdown_d {
 	WindowNumber parent_wnd_num;
 	byte parent_button;
 	DropDownList *list;
-	byte selected_index;
+	int selected_index;
 	byte click_delay;
 	bool drag_mode;
 	int scrolling;