diff --git a/mappings/net/minecraft/client/gui/screen/ingame/BookScreen.mapping b/mappings/net/minecraft/client/gui/screen/ingame/BookScreen.mapping
index 3286cbebe8..70ea4c2cd3 100644
--- a/mappings/net/minecraft/client/gui/screen/ingame/BookScreen.mapping
+++ b/mappings/net/minecraft/client/gui/screen/ingame/BookScreen.mapping
@@ -8,6 +8,7 @@ CLASS net/minecraft/class_3872 net/minecraft/client/gui/screen/ingame/BookScreen
 	FIELD field_17417 EMPTY_PROVIDER Lnet/minecraft/class_3872$class_3931;
 	FIELD field_17418 contents Lnet/minecraft/class_3872$class_3931;
 	FIELD field_18976 pageTurnSound Z
+	FIELD field_25897 pageIndexText Lnet/minecraft/class_2561;
 	METHOD <init> (Lnet/minecraft/class_3872$class_3931;)V
 		ARG 1 pageProvider
 	METHOD <init> (Lnet/minecraft/class_3872$class_3931;Z)V