diff --git a/edx_exams/settings/local.py b/edx_exams/settings/local.py
index 5a752b68..ba38c9a9 100644
--- a/edx_exams/settings/local.py
+++ b/edx_exams/settings/local.py
@@ -118,6 +118,7 @@
 SESSION_COOKIE_DOMAIN = 'localhost'
 
 ROOT_URL = 'http://localhost:18740'
+LTI_API_BASE = 'http://localhost:18740'
 LMS_ROOT_URL = 'http://localhost:18000'
 LEARNING_MICROFRONTEND_URL = 'http://localhost:2000'
 EXAMS_DASHBOARD_MFE_URL = 'http://localhost:2020'
diff --git a/edx_exams/settings/test.py b/edx_exams/settings/test.py
index 01c0084a..633c37dd 100644
--- a/edx_exams/settings/test.py
+++ b/edx_exams/settings/test.py
@@ -23,6 +23,7 @@
 )
 
 ROOT_URL = 'http://test.exams:18740'
+LTI_API_BASE = 'http://test.exams:18740'
 LMS_ROOT_URL = 'http://test.lms:18000'
 LEARNING_MICROFRONTEND_URL = 'http://test.learning:2000'