diff --git a/vb_suite/ziplines.py b/vb_suite/ziplines.py
index fd3fba0a..3874de70 100644
--- a/vb_suite/ziplines.py
+++ b/vb_suite/ziplines.py
@@ -15,7 +15,7 @@ basic_zipline = Benchmark(
 load_ndict = Benchmark(
         'load_ndict()',
         setup=setup,
-        start_date=datetime(2012,4,15),
+        start_date=datetime(2012,5,15),
         name='load_ndict'
 )