diff --git a/common/test/acceptance/pages/studio/overview.py b/common/test/acceptance/pages/studio/overview.py
index d814854264..5728612c20 100644
--- a/common/test/acceptance/pages/studio/overview.py
+++ b/common/test/acceptance/pages/studio/overview.py
@@ -614,6 +614,7 @@ class CourseOutlineModal(object):
         for i in xrange(abs(date_diff)):
             self.page.q(css=selector).click()
         self.page.q(css="a.ui-state-default").nth(day - 1).click()  # set day
+        self.page.wait_for_element_invisibility("#ui-datepicker-div", "datepicker should be closed")
         EmptyPromise(
             lambda: getattr(self, property_name) == u'{m}/{d}/{y}'.format(m=month, d=day, y=year),
             "{} is updated in modal.".format(property_name)