diff --git a/common/test/acceptance/pages/lms/instructor_dashboard.py b/common/test/acceptance/pages/lms/instructor_dashboard.py
index b94ab914a0..e9bac24289 100644
--- a/common/test/acceptance/pages/lms/instructor_dashboard.py
+++ b/common/test/acceptance/pages/lms/instructor_dashboard.py
@@ -839,6 +839,7 @@ class SpecialExamsPageAllowanceSection(PageObject):
         self.q(css='input#user_info').fill(username)
         self.q(css="input#addNewAllowance").click()
         self.wait_for_element_absence("div.modal div.modal-header", "Popup should be hidden")
+        self.wait_for_ajax()
 
 
 class SpecialExamsPageAttemptsSection(PageObject):