diff --git a/lib/bitstamp.rb b/lib/bitstamp.rb
index 43ae85f..9bff87c 100644
--- a/lib/bitstamp.rb
+++ b/lib/bitstamp.rb
@@ -52,7 +52,7 @@ def self.ticker
   end
 
   def self.order_book
-    return JSON.parse Bitstamp::Net.post('/order_book/').body_str
+    return JSON.parse Bitstamp::Net.get('/order_book/').body_str
   end
 
   def self.setup