diff --git a/src/cards.js b/src/cards.js
index 7b7d1e5..53940f1 100644
--- a/src/cards.js
+++ b/src/cards.js
@@ -16,8 +16,8 @@ angular.module('angularPayments')
       luhn: true
     }, {
       type: 'dinersclub',
-      pattern: /^(36|38|30[0-5])/,
-      format: defaultFormat,
+      pattern: /^3[0689]/,
+      format: /(\d{1,4})(\d{1,6})?(\d{1,4})?/,
       inputFormat: defaultInputFormat,
       length: [14],
       cvcLength: [3],
@@ -119,4 +119,4 @@ angular.module('angularPayments')
       defaultInputFormat: function() { return defaultInputFormat;}
   }
 
-}])
\ No newline at end of file
+}])