@@ -3,11 +3,12 @@ $LOAD_PATH.unshift(File.expand_path(File.join(File.dirname(__FILE__), "../lib"))
 
 require 'cc/engine/csslint'
 
-def parse_engine_config(raw)
-raw ? JSON.parse(raw) : {}
+if File.exists?("/config.json")
+engine_config = JSON.parse(File.read("/config.json"))
+else
+engine_config = {}
 end
 
-engine_config = parse_engine_config(ENV['ENGINE_CONFIG'])
 CC::Engine::CSSlint.new(
 directory: "/code", engine_config: engine_config, io: STDOUT
 ).run