diff --git a/src/order_gui.cpp b/src/order_gui.cpp
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -1107,8 +1107,8 @@ public:
 				if (i != this->selected_order && i == this->order_over) {
 					/* Highlight dragged order destination. */
 					int top = (this->order_over < this->selected_order ? y : y + line_height) - WD_FRAMERECT_TOP;
-					int bottom = min(top + 2, r.bottom - WD_FRAMERECT_BOTTOM);
-					top = max(top - 3, r.top + WD_FRAMERECT_TOP);
+					int bottom = std::min(top + 2, r.bottom - WD_FRAMERECT_BOTTOM);
+					top = std::max(top - 3, r.top + WD_FRAMERECT_TOP);
 					GfxFillRect(r.left + WD_FRAMETEXT_LEFT, top, r.right - WD_FRAMETEXT_RIGHT, bottom, _colour_gradient[COLOUR_GREY][7]);
 					break;
 				}