diff --git a/.travis.yml b/.travis.yml
index e630188..c6f74d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,12 +15,13 @@ install:
   - pip install -r dev-requirements.txt
   - pip uninstall django --yes
   - pip install -q django$DJANGO_VERSION
+  - pip install coverage==4.5.4
   - pip install coveralls
   - pip install -e .
 before_script:
   - flake8 sparkpost test
 script:
-  - py.test --cov sparkpost test/ --cov-report term-missing
+  - py.test
 after_success:
   - coveralls
 notifications:
diff --git a/sparkpost/transmissions.py b/sparkpost/transmissions.py
index ef2e705..28aa46c 100644
--- a/sparkpost/transmissions.py
+++ b/sparkpost/transmissions.py
@@ -18,6 +18,7 @@
     'campaign': 'campaign_id',
     'start_time': 'options/start_time',
     'track_opens': 'options/open_tracking',
+    'track_initial_opens': 'options/initial_open',
     'track_clicks': 'options/click_tracking',
     'transactional': 'options/transactional',
     'use_sandbox': 'options/sandbox',
@@ -264,6 +265,8 @@ def send(self, **kwargs):
             '2015-02-11T08:00:00-04:00'.
         :param bool track_opens: Defaults to True. Used to track opens of
             transmission
+        :param bool track_initial_opens:  Used to track opens
+            of transmission with top pixel
         :param bool track_clicks: Defaults to True. Used to track clicks of
             transmission
         :param bool use_sandbox: Flag must be set to use sandbox domain instead