lib/rack_environment.rb in rack-environment-1.0.1 vs lib/rack_environment.rb in rack-environment-1.1.0

@@ -31,10 +31,11 @@
       hash.update(key.to_s.upcase => value)
     end
   end
 
   def read_config_file(filename)
-    YAML::load_file(filename)
+    config = YAML::load_file(filename)
+    config.is_a?(Hash) ? config : {}
   end
 
   def update_environment!
     environment.each do |key, value|
       ENV[key] = value