diff --git a/code/modules/paperwork/paper.dm b/code/modules/paperwork/paper.dm
index 04696687156..4bc7ef8fed7 100644
--- a/code/modules/paperwork/paper.dm
+++ b/code/modules/paperwork/paper.dm
@@ -261,7 +261,7 @@
 	. = ..()
 	if(.)
 		info = "[stars(info)]"
-		for(var/index in 1 to add_info)
+		for(var/index in 1 to length(add_info))
 			add_info[index] = "[stars(add_info[index])]"
 
 /obj/item/paper/ui_assets(mob/user)