diff --git a/mappings/net/minecraft/client/render/entity/model/QuadrupedEntityModel.mapping b/mappings/net/minecraft/client/render/entity/model/QuadrupedEntityModel.mapping
index e7b3f8df4b..b05ae2f3d1 100644
--- a/mappings/net/minecraft/client/render/entity/model/QuadrupedEntityModel.mapping
+++ b/mappings/net/minecraft/client/render/entity/model/QuadrupedEntityModel.mapping
@@ -5,3 +5,5 @@ CLASS net/minecraft/class_597 net/minecraft/client/render/entity/model/Quadruped
 	FIELD field_3536 leg1 Lnet/minecraft/class_630;
 	FIELD field_3538 body Lnet/minecraft/class_630;
 	FIELD field_3539 leg4 Lnet/minecraft/class_630;
+	METHOD <init> (IF)V
+		ARG 1 ySize