diff --git a/vnf_onboarding/vnf/mock_nginx/mirrors.yml b/vnf_onboarding/vnf/mock_nginx/mirrors.yml
index 6aff50c..76ca94c 100644
--- a/vnf_onboarding/vnf/mock_nginx/mirrors.yml
+++ b/vnf_onboarding/vnf/mock_nginx/mirrors.yml
@@ -7,4 +7,5 @@
       - name: nginx-vnf
         downstream: vnf-onboarding/nginx-vnf
         upstream: ${_param:gerrit_vnf_onboaring_nginx_repo}
-        branches: master
\ No newline at end of file
+        branches: master
+        source_credentials: "${_param:vnf_onboaring_source_credentials}"
\ No newline at end of file