diff --git a/components/esm/loadbook.hpp b/components/esm/loadbook.hpp
index 3d50356ae..bb2d7912f 100644
--- a/components/esm/loadbook.hpp
+++ b/components/esm/loadbook.hpp
@@ -21,7 +21,7 @@ struct Book
     struct BKDTstruct
     {
         float mWeight;
-        int mValue, mIsScroll, mSkillID, mEnchant;
+        int mValue, mIsScroll, mSkillId, mEnchant;
     };
 
     BKDTstruct mData;