diff --git a/demos/twitter-bot b/demos/twitter-bot
index aab020d..0385de8 100755
--- a/demos/twitter-bot
+++ b/demos/twitter-bot
@@ -102,7 +102,7 @@ except ConfigParser.NoOptionError:
     user_id = options.twitter_id
 
 client = zulip.Client(
-    email=options.user,
+    email=options.email,
     api_key=options.api_key,
     site=options.site,
     verbose=True)
diff --git a/demos/twitter-search-bot b/demos/twitter-search-bot
index c8f81c7..ea3ca1e 100755
--- a/demos/twitter-search-bot
+++ b/demos/twitter-search-bot
@@ -119,7 +119,7 @@ Please double-check and try again."
     sys.exit()
 
 client = zulip.Client(
-    email=opts.user,
+    email=opts.email,
     api_key=opts.api_key,
     site=opts.site,
     verbose=True)