diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 762f56d..0000000
--- a/depends.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-default
-vessels
-tnt
-fire
-playereffects
-player_monoids?
-farming?
-lightning?
-pmobs?
-hud_hunger?
-hunger_ng?
-moreplants?
-horror?
diff --git a/init.lua b/init.lua
index 8d35a57..c06e524 100644
--- a/init.lua
+++ b/init.lua
@@ -3167,7 +3167,7 @@ minetest.register_node("witchcraft:potion_ggreen", {
 		})
 		local mtime = minetest.get_timeofday()
 		if mtime >= 0.25 and mtime <= 0.75 then
-			user:override_day_night_ratio(-mtime+0.5)
+			user:override_day_night_ratio(math.min(math.max(-mtime+0.5, 0), 1))
 			minetest.after(10, function()
 				user:override_day_night_ratio(nil)
 			end)
@@ -3391,7 +3391,7 @@ minetest.register_node("witchcraft:potion_blue2_2", {
 function lightchange(person, duration)
 	local mtime = minetest.get_timeofday()
 	if mtime <= 0.25 or mtime >= 0.75 then
-		person:override_day_night_ratio(mtime+0.5)
+		person:override_day_night_ratio(math.min(math.max(mtime+0.5, 0), 1))
 		minetest.after(duration, function()
 			person:override_day_night_ratio(nil)
 		end)