diff --git a/tests/test_security_list.py b/tests/test_security_list.py
index 2b65fc9e..bb54868f 100644
--- a/tests/test_security_list.py
+++ b/tests/test_security_list.py
@@ -94,6 +94,7 @@ class SecurityListTestCase(TestCase):
 
         self.assertIn("BZQ", rl.leveraged_etf_list)
         self.assertIn("URTY", rl.leveraged_etf_list)
+        self.assertIn("JFT", rl.leveraged_etf_list)
 
         # assert that a sample of allowed stocks are not in restricted
         # AAPL
@@ -178,6 +179,26 @@ class SecurityListTestCase(TestCase):
 
         self.check_algo_exception(algo, ctx, 0)
 
+        # repeat with a symbol from a different lookup date
+
+        trade_history = factory.create_trade_history(
+            'JFT',
+            [10.0, 10.0, 11.0, 11.0],
+            [100, 100, 100, 300],
+            timedelta(days=1),
+            sim_params
+        )
+        self.source = SpecificEquityTrades(event_list=trade_history)
+
+        self.df_source, self.df = \
+            factory.create_test_df_source(sim_params)
+
+        algo = RestrictedAlgoWithoutCheck(sid='JFT', sim_params=sim_params)
+        with self.assertRaises(TradingControlViolation) as ctx:
+            algo.run(self.source)
+
+        self.check_algo_exception(algo, ctx, 0)
+
     def test_algo_with_rl_violation_on_knowledge_date(self):
 
         sim_params = factory.create_simulation_parameters(
diff --git a/zipline/utils/security_list.py b/zipline/utils/security_list.py
index 6fb046e7..4de9dbaf 100644
--- a/zipline/utils/security_list.py
+++ b/zipline/utils/security_list.py
@@ -127,8 +127,8 @@ def load_from_directory(list_name):
             tzinfo=pytz.utc)
         data[kd] = {}
         kd_path = os.path.join(dir_path, kd_name)
-        for ld_name in listdir(os.path.join(dir_path, kd_name)):
-            ld = datetime.strptime(kd_name, DATE_FORMAT).replace(
+        for ld_name in listdir(kd_path):
+            ld = datetime.strptime(ld_name, DATE_FORMAT).replace(
                 tzinfo=pytz.utc)
             data[kd][ld] = {}
             ld_path = os.path.join(kd_path, ld_name)