diff --git a/CHANGELOG b/CHANGELOG
index 3ee26b775..e5f6c20fe 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Use :words_connector instead of connector in RequiresParameters [cody]
 * Fix extra slash in UPS endpoints [cody]
 * Add name to Shipwire class [cody]
 * Improve FedEx handling of some error conditions [cody]
diff --git a/lib/active_shipping/lib/requires_parameters.rb b/lib/active_shipping/lib/requires_parameters.rb
index 7a30480e7..22bce54ae 100644
--- a/lib/active_shipping/lib/requires_parameters.rb
+++ b/lib/active_shipping/lib/requires_parameters.rb
@@ -6,7 +6,7 @@ def requires!(hash, *params)
           raise ArgumentError.new("Missing required parameter: #{param.first}") unless hash.has_key?(param.first) 
 
           valid_options = param[1..-1]
-          raise ArgumentError.new("Parameter: #{param.first} must be one of #{valid_options.to_sentence(:connector => 'or')}") unless valid_options.include?(hash[param.first])
+          raise ArgumentError.new("Parameter: #{param.first} must be one of #{valid_options.to_sentence(:words_connector => 'or')}") unless valid_options.include?(hash[param.first])
         else
           raise ArgumentError.new("Missing required parameter: #{param}") unless hash.has_key?(param) 
         end