diff --git a/src/engine/mbEnums.java b/src/engine/mbEnums.java
index 3ddfffd5..9162663c 100644
--- a/src/engine/mbEnums.java
+++ b/src/engine/mbEnums.java
@@ -2745,7 +2745,7 @@ public class mbEnums {
         GALVOR(1580017, -1683992404, -1596311545, 2000, 5),
         IRON(1580002, -1673518119, 2504297, 2000, 20),
         LUMBER(1580004, -1628412684, -1603256692, 10000, 100),
-        MANDRAKE(1580007, 1519910613, 1191391799, 1000, 10),
+        MANDRAKE(1580007, -1519910613, 1191391799, 1000, 10),
         MITHRIL(1580021, 626743397, -1761257186, 500, 5),
         OAK(1580005, -1653034775, 74767, 3000, 30),
         OBSIDIAN(1580019, 778019055, -697973233, 500, 5),