diff --git a/backend/web/login/login.py b/backend/web/login/login.py
index afee0f8038ce3da8d09fee4f1610df3e2e8453df..12d4ff1aecaa1aa69fc960ff9033aa30b09006bf 100644
--- a/backend/web/login/login.py
+++ b/backend/web/login/login.py
@@ -338,11 +338,15 @@ def consent():
     except AttributeError:
         current_app.logger.error(f"Could not find app for client {client_id}")
         return redirect(
-            consent_request.reject(
-                error="No access",
-                error_description="The user has no access for app",
-                error_hint="Contact your administrator",
-                status_code=401,
+            hydra_admin_api.reject_consent_request(
+                challenge,
+                # In previous versions of the hydra API client library, we
+                # could set these parameters, but that's no longer possible,
+                # not sure why.
+                # error="No access",
+                # error_description="The user has no access for app",
+                # error_hint="Contact your administrator",
+                # status_code=401,
             )
         )
 
@@ -359,11 +363,15 @@ def consent():
         # If there is no role in app_roles or the role_id for an app is null user has no permissions
         current_app.logger.error(f"User has no access for: {app_obj.name}")
         return redirect(
-            consent_request.reject(
-                error="No access",
-                error_description="The user has no access for app",
-                error_hint="Contact your administrator",
-                status_code=401,
+            hydra_admin_api.reject_consent_request(
+                challenge,
+                # In previous versions of the hydra API client library, we
+                # could set these parameters, but that's no longer possible,
+                # not sure why.
+                # error="No access",
+                # error_description="The user has no access for app",
+                # error_hint="Contact your administrator",
+                # status_code=401,
             )
         )
     else:
@@ -494,9 +502,9 @@ def prelogout():
 
     # Accept logout request and direct to hydra to remove cookies
     try:
-        hydra_return = logout_request.accept(subject=logout_request.subject)
+        hydra_return = hydra_admin_api.accept_logout_request(challenge)
         if hydra_return:
-          return redirect(hydra_return)
+          return redirect(hydra_return.redirect_to)
 
     except Exception as ex:
         current_app.logger.info("Error logging out hydra: %s", str(ex))