diff --git a/src/order_type.h b/src/order_type.h
--- a/src/order_type.h
+++ b/src/order_type.h
@@ -94,6 +94,7 @@ enum OrderDepotTypeFlags {
 	ODTF_MANUAL          = 0,      ///< Manually initiated order.
 	ODTFB_SERVICE        = 1 << 0, ///< This depot order is because of the servicing limit.
 	ODTFB_PART_OF_ORDERS = 1 << 1, ///< This depot order is because of a regular order.
+	ODTFB_BREAKDOWN      = 1 << 2, ///< This depot order is because of a breakdown.
 };
 
 /**