diff --git a/init.lua b/init.lua
index 5cb8b53..096c22d 100644
--- a/init.lua
+++ b/init.lua
@@ -34,7 +34,7 @@ function switch_creative:save_areas()
 end
 
 function switch_creative:set_area_privs(id, privs_string)
-	switch_creative.area_privs[id] = privs_string
+	switch_creative.area_privs[tostring(id)] = privs_string
 end
 
 minetest.register_chatcommand("creative_area", {
@@ -55,10 +55,14 @@ minetest.register_chatcommand("creative_area", {
 		local edge2 = { x=tonumber(x2), y=tonumber(y2), z=tonumber(z2) }
 		local data = area_name
 		local astore_id = switch_creative.astore:insert_area(edge1, edge2, tostring(data))
-		switch_creative:set_area_privs(astore_id, nil)
-		minetest.chat_send_player(name, "[creative_area] New area set. ID: " .. astore_id)
-		switch_creative:save_areas()
-		return true, "Done."
+		if astore_id then
+			switch_creative:set_area_privs(tostring(astore_id), nil)
+			minetest.chat_send_player(name, "[creative_area] New area set. ID: " .. astore_id)
+			switch_creative:save_areas()
+			return true, "Done"
+		else
+			return false, "Failed"
+		end
 	end,
 })
 
@@ -75,14 +79,13 @@ minetest.register_chatcommand("creative_area_privs", {
 		if not found then
 			return false, "Syntax error"
 		end
-		area_id = tostring(area_id)
 		if privstring and area_id then
-			switch_creative:set_area_privs(area_id, privstring)
+			switch_creative:set_area_privs(tostring(area_id), privstring)
 			minetest.chat_send_player(name, "[creative_area] Privstring set for area " .. area_id .. ": " .. privstring)
 			switch_creative:save_areas()
-			return true, "Done."
+			return true, "Done"
 		else
-			return false, "Failed."
+			return false, "Failed"
 		end
 	end,
 })
@@ -100,11 +103,10 @@ minetest.register_chatcommand("creative_area_rm", {
 		if not found then
 			return false, "Syntax error"
 		end
-		area_id = tonumber(area_id)
-		local success = switch_creative.astore:remove_area(area_id)
+		local success = switch_creative.astore:remove_area(tonumber(area_id))
 		if success then
 			minetest.chat_send_player(name, "[creative_area] Area " .. area_id .. "removed")
-			switch_creative:set_area_privs(area_id, nil)
+			switch_creative:set_area_privs(tostring(area_id), nil)
 		else
 			minetest.chat_send_player(name, "[creative_area] Error removing area " .. area_id)
 		end
@@ -135,6 +137,7 @@ function switch_creative:decode_privs_string(str)
 end
 
 function switch_creative:is_areas_mod(area_id)
+	area_id = tostring(area_id)
 	local is_areas_id = string.sub(id, 1, 2) == "a"
 	local a_id = tonumber( string.sub(id, 2) )
 	return is_areas_id, a_id
@@ -269,7 +272,7 @@ function switch_creative:update_player(player)
 	for astore_id, astore_area in pairs( current_areas ) do
 		local areasize = switch_creative:get_area_size(astore_area)
 		if not smallest_area.size or areasize < smallest_area.size then
-			smallest_area.id = astore_id
+			smallest_area.id = tostring(astore_id)
 			smallest_area.size = areasize
 		end
 	end
@@ -284,7 +287,7 @@ function switch_creative:update_player(player)
 		for a_id, a_area in pairs( a_current_areas ) do
 			local areasize = switch_creative:get_areas_area_size(a_area)
 			if not smallest_areas_area.size or areasize < smallest_areas_area.size then
-				smallest_areas_area.id = a_id
+				smallest_areas_area.id = tostring(a_id)
 				smallest_areas_area.size = areasize
 			end
 			player_active_areas = player_active_areas .. ", a"..a_id
@@ -302,9 +305,9 @@ function switch_creative:update_player(player)
 	end
 
 	local privstring = noarea_privs
-	if smallest_area.id and switch_creative.area_privs[smallest_area.id] then
-		if switch_creative.area_privs[smallest_area.id] then
-			privstring = switch_creative.area_privs[smallest_area.id]
+	if smallest_area.id then
+		if switch_creative.area_privs[tostring(smallest_area.id)] then
+			privstring = switch_creative.area_privs[tostring(smallest_area.id)]
 		else
 			privstring = default_privs
 		end
@@ -323,7 +326,7 @@ function switch_creative:update_player(player)
 		end
 		if smallest_areas_area.size and smallest_area.size then
 			if smallest_area.size <= smallest_areas_area.size then
-				privstring = privstring .. ", " .. switch_creative.area_privs[smallest_area.id]
+				privstring = privstring .. ", " .. switch_creative.area_privs[tostring(smallest_area.id)]
 			end
 		end
 	end