diff --git a/code/modules/library/lib_items.dm b/code/modules/library/lib_items.dm
index d96a43c5819..8d3ef577d96 100644
--- a/code/modules/library/lib_items.dm
+++ b/code/modules/library/lib_items.dm
@@ -61,7 +61,8 @@
 				state = 0
 
 		if(2)
-			if(istype(I, /obj/item/weapon/book) || istype(I, /obj/item/weapon/spellbook) || istype(I, /obj/item/weapon/storage/book))
+			var/list/allowed_books = list(/obj/item/weapon/book, /obj/item/weapon/spellbook, /obj/item/weapon/storage/book)
+			if(is_type_in_list(I, allowed_books))
 				user.drop_item()
 				I.loc = src
 				update_icon()