From 293a5ed27f995d046bac8eaa8711b1dc10331c60 Mon Sep 17 00:00:00 2001
From: SkyratBot <59378654+SkyratBot@users.noreply.github.com>
Date: Wed, 19 Oct 2022 12:26:05 +0200
Subject: [PATCH] [MIRROR] Fixes job preference entries persisting after they
 have been nulled [MDB IGNORE] (#16968)

* Fixes job preference entries persisting after they have been nulled (#70577)

I know this doesn't actually change behavior, but it's confusing, and
adds a potential point of failure if someone doesn't realize it can
happen. Let's be consistent

* Fixes job preference entries persisting after they have been nulled

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>
---
 code/modules/client/preferences.dm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/code/modules/client/preferences.dm b/code/modules/client/preferences.dm
index 0f04710421f..3b0d17bc471 100644
--- a/code/modules/client/preferences.dm
+++ b/code/modules/client/preferences.dm
@@ -500,7 +500,10 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				else
 					job_preferences[other_job] = JP_MEDIUM
 
-	job_preferences[job.title] = level
+	if(level == null)
+		job_preferences -= job.title
+	else
+		job_preferences[job.title] = level
 
 	return TRUE