diff --git a/account_mtd/models/mtd_user_authorisation.py b/account_mtd/models/mtd_user_authorisation.py
index 55f4b19..1cbfe94 100644
--- a/account_mtd/models/mtd_user_authorisation.py
+++ b/account_mtd/models/mtd_user_authorisation.py
@@ -18,7 +18,9 @@ class MtdUserAuthorisation(models.Model):
     @api.multi
     def get_user_authorisation(self, module_name=None, record=None):
         tracker_api = self.create_tracker_record(module_name, record)
-        redirect_uri = "{}/auth-redirect".format(record.hmrc_configuration.redirect_url)
+        normalised_redirect_url = \
+            record.hmrc_configuration.redirect_url.rstrip('/')
+        redirect_uri = "{}/auth-redirect".format(normalised_redirect_url)
         state = ""
         # State is optional
         if record.hmrc_configuration.state:
@@ -94,4 +96,4 @@ def create_tracker_record(self, module_name=None, record=None):
             'module_name': module_name,
             'company_id': record.company_id.id
         })
-        return tracker_api
\ No newline at end of file
+        return tracker_api