diff --git a/inferium-server.lua b/inferium-server.lua
index 29480ff..d5f1072 100644
--- a/inferium-server.lua
+++ b/inferium-server.lua
@@ -1,6 +1,6 @@
 local inferiumPlans = require('config/inferium-plans') -- temporary default plan
 
-local VERSION = "0.2.0"
+local VERSION = "0.2.1"
 
 local INFERIUM_QUERY_PORT = 111
 local INFERIUM_REPLY_PORT = 112
@@ -12,7 +12,7 @@ local modem = peripheral.find("modem") or error("No modem attached", 0)
 modem.open(INFERIUM_QUERY_PORT)
 
 local function getPlanForComputer(computerId)
-  return inferiumPlans[computerId] or defaultPlan
+  return inferiumPlans[tostring(computerId)] or defaultPlan
 end
 
 local function messageReceived(message)