diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -44,7 +44,7 @@
  */
 uint GetEngineListHeight(VehicleType type)
 {
-	return max<uint>(FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM, GetVehicleImageCellSize(type, EIT_PURCHASE).height);
+	return std::max<uint>(FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM, GetVehicleImageCellSize(type, EIT_PURCHASE).height);
 }
 
 static const NWidgetPart _nested_build_vehicle_widgets[] = {
@@ -1537,7 +1537,7 @@ struct BuildVehicleWindow : Window {
 			case WID_BV_LIST:
 				resize->height = GetEngineListHeight(this->vehicle_type);
 				size->height = 3 * resize->height;
-				size->width = max(size->width, GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_left + GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_right + 165);
+				size->width = std::max(size->width, GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_left + GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_right + 165);
 				break;
 
 			case WID_BV_PANEL:
@@ -1572,7 +1572,18 @@ struct BuildVehicleWindow : Window {
 	{
 		switch (widget) {
 			case WID_BV_LIST:
-				DrawEngineList(this->vehicle_type, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, &this->eng_list, this->vscroll->GetPosition(), min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), (uint)this->eng_list.size()), this->sel_engine, false, DEFAULT_GROUP);
+				DrawEngineList(
+					this->vehicle_type,
+					r.left + WD_FRAMERECT_LEFT,
+					r.right - WD_FRAMERECT_RIGHT,
+					r.top + WD_FRAMERECT_TOP,
+					&this->eng_list,
+					this->vscroll->GetPosition(),
+					static_cast<uint16>(std::min<size_t>(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->eng_list.size())),
+					this->sel_engine,
+					false,
+					DEFAULT_GROUP
+				);
 				break;
 
 			case WID_BV_SORT_ASCENDING_DESCENDING:
@@ -1597,7 +1608,7 @@ struct BuildVehicleWindow : Window {
 				NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_BV_PANEL);
 				int text_end = DrawVehiclePurchaseInfo(nwi->pos_x + WD_FRAMETEXT_LEFT, nwi->pos_x + nwi->current_x - WD_FRAMETEXT_RIGHT,
 						nwi->pos_y + WD_FRAMERECT_TOP, this->sel_engine, this->te);
-				needed_height = max(needed_height, text_end - (int)nwi->pos_y + WD_FRAMERECT_BOTTOM);
+				needed_height = std::max(needed_height, text_end - (int)nwi->pos_y + WD_FRAMERECT_BOTTOM);
 			}
 			if (needed_height != this->details_height) { // Details window are not high enough, enlarge them.
 				int resize = needed_height - this->details_height;