diff --git a/code/modules/library/lib_items.dm b/code/modules/library/lib_items.dm
index 619279c9034..6b396ab9158 100644
--- a/code/modules/library/lib_items.dm
+++ b/code/modules/library/lib_items.dm
@@ -49,10 +49,11 @@
 		if(1)
 			if(istype(I, /obj/item/stack/sheet/mineral/wood))
 				var/obj/item/stack/sheet/mineral/wood/W = I
-				W.use(2)
-				user << "<span class='notice'>You add a shelf.</span>"
-				state = 2
-				icon_state = "book-0"
+				if(W.get_amount() >= 2)
+					W.use(2)
+					user << "<span class='notice'>You add a shelf.</span>"
+					state = 2
+					icon_state = "book-0"
 			if(istype(I, /obj/item/weapon/wrench))
 				playsound(loc, 'sound/items/Ratchet.ogg', 100, 1)
 				user << "<span class='notice'>You unwrench the frame.</span>"
@@ -83,7 +84,7 @@
 				else
 					playsound(loc, 'sound/items/Crowbar.ogg', 100, 1)
 					user << "<span class='notice'>You pry the shelf out.</span>"
-					new /obj/item/stack/sheet/mineral/wood(loc, 1)
+					new /obj/item/stack/sheet/mineral/wood(loc, 2)
 					state = 1
 					icon_state = "bookempty"
 			else