diff --git a/lib/kraken_ruby/client.rb b/lib/kraken_ruby/client.rb
index 4f2f37c..0c9b553 100644
--- a/lib/kraken_ruby/client.rb
+++ b/lib/kraken_ruby/client.rb
@@ -66,6 +66,10 @@ def balance(opts={})
       post_private 'Balance', opts
     end
 
+    def balance_extended(opts={})
+      post_private 'BalanceEx', opts
+    end
+
     def trade_balance(opts={})
       post_private 'TradeBalance', opts
     end