From 2f6afe34ba53441392b1b06a7af107f92cb4239d Mon Sep 17 00:00:00 2001
From: MysticTempest <molecularmarc.he@gmail.com>
Date: Wed, 26 Aug 2020 00:46:07 -0500
Subject: [PATCH] Fix crash when night_vision tries to apply to a mob.

---
 mods/ITEMS/mcl_potions/functions.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mods/ITEMS/mcl_potions/functions.lua b/mods/ITEMS/mcl_potions/functions.lua
index 317744e2f..99d39b95d 100644
--- a/mods/ITEMS/mcl_potions/functions.lua
+++ b/mods/ITEMS/mcl_potions/functions.lua
@@ -838,7 +838,13 @@ function mcl_potions.night_vision_func(player, null, duration)
 		victim.timer = 0
 
 	end
-	meta:set_int("night_vision", 1)
+
+	is_player = player:is_player()
+	if is_player then
+		meta:set_int("night_vision", 1)
+	else
+		return -- Do not attempt to set night_vision on mobs
+	end
 	mcl_weather.skycolor.update_sky_color({player})
 
 end