diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 61bc671..0000000
--- a/depends.txt
+++ /dev/null
@@ -1 +0,0 @@
-player_monoids
diff --git a/description.txt b/description.txt
deleted file mode 100644
index d0eee6f..0000000
--- a/description.txt
+++ /dev/null
@@ -1 +0,0 @@
-A player_monoids monoid for armor
diff --git a/init.lua b/init.lua
index f1765ae..9e0b385 100644
--- a/init.lua
+++ b/init.lua
@@ -73,21 +73,27 @@ armor_monoid.monoid = player_monoids.make_monoid({
 
 		join_handled[player:get_player_name()] = true
 
-		player:set_armor_groups(final)
+		if player then
+			player:set_armor_groups(final)
+		end
 	end,
 })
 
 
 -- If the monoid has not fired yet (or won't fire)
 minetest.register_on_joinplayer(function(player)
-	if not join_handled[player:get_player_name()] then
-		player:set_armor_groups(armor_groups)
+	if player then
+		if not join_handled[player:get_player_name()] then
+			player:set_armor_groups(armor_groups)
+		end
 	end
 end)
 
 
 minetest.register_on_leaveplayer(function(player)
+	if player then
 		join_handled[player:get_player_name()] = nil
+	end
 end)
 
 
diff --git a/mod.conf b/mod.conf
index a0aa1d2..9bd8fea 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1 +1,3 @@
-name=armor_monoid
\ No newline at end of file
+name=armor_monoid
+description = A player_monoids monoid for armor
+depends = player_monoids