diff --git a/code/modules/client/client_procs.dm b/code/modules/client/client_procs.dm
index 959728615cc..aa696c638c1 100644
--- a/code/modules/client/client_procs.dm
+++ b/code/modules/client/client_procs.dm
@@ -41,7 +41,7 @@ GLOBAL_LIST_INIT(blacklisted_builds, list(
 		var/job = text2num(href_list["asset_cache_confirm_arrival"])
 		//because we skip the limiter, we have to make sure this is a valid arrival and not somebody tricking us
 		//	into letting append to a list without limit.
-		if (job && job <= last_asset_job && !(job in completed_asset_jobs))
+		if (job > 0 && job <= last_asset_job && !(job in completed_asset_jobs))
 			completed_asset_jobs += job
 			return
 		else if (job in completed_asset_jobs) //byond bug ID:2256651