diff --git a/inferium-server.lua b/inferium-server.lua
index 1d6fb04..0713a92 100644
--- a/inferium-server.lua
+++ b/inferium-server.lua
@@ -3,7 +3,7 @@ local inferiumPlans = require('config/inferium-plans') -- temporary default plan
 
 local INFERIUM_SERVER = 'inferium.com'
 local UPGRADE_SCRIPT = '/upgrade.lua'
-local VERSION = "0.5.1"
+local VERSION = "0.5.2"
 
 local defaultPlan = inferiumPlans.default or error('no default plan provided in config', 0)
 
@@ -52,7 +52,7 @@ net.openRednet()
 print('> inferium server v' .. VERSION .. ' started')
 
 net.listenQuery(INFERIUM_SERVER, function(message, computerId, stopServer)
-  if type(message) ~= table then
+  if type(message) ~= 'table' then
     print('error: malformed message received', textutils.serialize(message))
     return {}
   end