diff --git a/frappe/utils/background_jobs.py b/frappe/utils/background_jobs.py
index 395e1ded4c..65fa47c7ee 100755
--- a/frappe/utils/background_jobs.py
+++ b/frappe/utils/background_jobs.py
@@ -568,7 +568,7 @@ def truncate_failed_registry(job, connection, type, value, traceback):
 	"""Ensures that number of failed jobs don't exceed specified limits."""
 	from frappe.utils import create_batch
 
-	conf = frappe.get_conf(site=job.kwargs.get("site"))
+	conf = frappe.conf if frappe.conf else frappe.get_conf(site=job.kwargs.get("site"))
 	limit = (conf.get("rq_failed_jobs_limit") or RQ_FAILED_JOBS_LIMIT) - 1
 
 	for queue in get_queues(connection=connection):