diff --git a/zipline/test_algorithms.py b/zipline/test_algorithms.py
index 055c8c32..fbb9d5a9 100644
--- a/zipline/test_algorithms.py
+++ b/zipline/test_algorithms.py
@@ -59,7 +59,8 @@ class TestAlgorithm():
     at the close of a simulation.
     """
 
-    def __init__(self, sid, amount, sid_filter=None):
+    def __init__(self, sid, amount, order_count, sid_filter=None):
+        self.count = order_count
         self.sid = sid
         self.amount = amount
         self.incr = 0