diff --git a/utilities/demo/make_demo.py b/utilities/demo/make_demo.py
index be42395031e..4637836612b 100644
--- a/utilities/demo/make_demo.py
+++ b/utilities/demo/make_demo.py
@@ -18,7 +18,7 @@ company = "Wind Power LLC"
 company_abbr = "WP"
 country = "United States"
 currency = "USD"
-time_zone = "America/New York"
+time_zone = "America/New_York"
 start_date = '2013-01-01'
 bank_name = "Citibank"
 runs_for = None