diff --git a/code/modules/client/asset_cache.dm b/code/modules/client/asset_cache.dm
index b57aebb2cd..53a05acaf2 100644
--- a/code/modules/client/asset_cache.dm
+++ b/code/modules/client/asset_cache.dm
@@ -225,6 +225,7 @@ GLOBAL_LIST_EMPTY(asset_datums)
 
 	var/res_name = "spritesheet_[name].css"
 	var/fname = "data/spritesheets/[res_name]"
+	fdel(fname)
 	text2file(generate_css(), fname)
 	register_asset(res_name, file(fname))