diff --git a/code/__HELPERS/_lists.dm b/code/__HELPERS/_lists.dm
index b3b88a6276..4ca617f7e7 100644
--- a/code/__HELPERS/_lists.dm
+++ b/code/__HELPERS/_lists.dm
@@ -98,6 +98,7 @@
 			. += A
 
 //Like typesof() or subtypesof(), but returns a typecache instead of a list
+
 /proc/typecacheof(path, ignore_root_path, only_root_path = FALSE)
 	if(ispath(path))
 		var/list/types = list()
diff --git a/code/__HELPERS/_lists.dm.rej b/code/__HELPERS/_lists.dm.rej
new file mode 100644
index 0000000000..94df951ce7
--- /dev/null
+++ b/code/__HELPERS/_lists.dm.rej
@@ -0,0 +1,10 @@
+diff a/code/__HELPERS/_lists.dm b/code/__HELPERS/_lists.dm	(rejected hunks)
+@@ -90,7 +90,7 @@
+ 
+ //returns a new list with only atoms that are in typecache L
+ //if reversed, return a new list with only atoms that aren't in typecache L
+-/proc/typecache_filter_list(list/atoms, list/typecache, reversed)
++/proc/typecache_filter_list(list/atoms, list/typecache, reversed=FALSE)
+ 	. = list()
+ 	for (var/thing in atoms)
+ 		var/atom/A = thing