diff --git a/mappings/net/minecraft/client/render/entity/model/BookModel.mapping b/mappings/net/minecraft/client/render/entity/model/BookModel.mapping
index cc635634d3..ac5590f565 100644
--- a/mappings/net/minecraft/client/render/entity/model/BookModel.mapping
+++ b/mappings/net/minecraft/client/render/entity/model/BookModel.mapping
@@ -17,3 +17,4 @@ CLASS net/minecraft/class_557 net/minecraft/client/render/entity/model/BookModel
 		ARG 2 leftPageAngle
 		ARG 3 rightPageAngle
 		ARG 4 pageTurningSpeed
+		ARG 6 scale