diff --git a/.circleci/bin/test-airflow-image.py b/.circleci/bin/test-airflow-image.py
index 8ccb2570..ac1b5361 100644
--- a/.circleci/bin/test-airflow-image.py
+++ b/.circleci/bin/test-airflow-image.py
@@ -287,9 +287,9 @@ def test_airflow_configs(scheduler, docker_client):
 
         assert scheduler.check_output(
             f"cat {config_file_path} | "
-            "grep '^auth_backend' | awk '{print $3}'"
+            "grep '^auth_backends' | awk '{print $3}'"
         ) == "astronomer.flask_appbuilder.current_user_backend", \
-            "[api] auth_backend needs to be set to 'astronomer.flask_appbuilder.current_user_backend' for Platform"
+            "[api] auth_backends needs to be set to 'astronomer.flask_appbuilder.current_user_backend' for Platform"
 
         assert scheduler.check_output(
             f"cat {config_file_path} | "
diff --git a/main/bullseye/Dockerfile b/main/bullseye/Dockerfile
index 2f825631..68886729 100644
--- a/main/bullseye/Dockerfile
+++ b/main/bullseye/Dockerfile
@@ -166,7 +166,7 @@ RUN sed -i \
     # We sync permissions in the entrypoint so do not need to run in the Webserver again
     -e 's/^update_fab_perms =.*/update_fab_perms = False/g' \
     # Use Auth Backend defined in Astronomer FAB Security Manager
-    -e 's/^auth_backend =.*/auth_backend = astronomer.flask_appbuilder.current_user_backend/g' \
+    -e 's/^auth_backends =.*/auth_backends = astronomer.flask_appbuilder.current_user_backend/g' \
     # The number of seconds to wait before timing out send_task_to_executor or fetch_celery_task_state operations.
     -e 's/^operation_timeout =.*/operation_timeout = 10.0/g' \
     /usr/local/lib/python${PYTHON_MAJOR_MINOR_VERSION}/site-packages/airflow/config_templates/default_airflow.cfg