diff --git a/lib/rex/book/limit_order_book.rb b/lib/rex/book/limit_order_book.rb
index dea472b..1aedc49 100644
--- a/lib/rex/book/limit_order_book.rb
+++ b/lib/rex/book/limit_order_book.rb
@@ -23,6 +23,10 @@ module Rex
 
       def add_and_match_order(order)
         add_order(order)
+        match
+      end
+
+      def match
         @matcher.match(self)
       end