diff --git a/playbooks/defaults/source_install.yml b/playbooks/defaults/source_install.yml
index 8459378850..66a7f924c2 100644
--- a/playbooks/defaults/source_install.yml
+++ b/playbooks/defaults/source_install.yml
@@ -36,4 +36,4 @@ openstack_db_setup_host: "{{ openstack_service_setup_host }}"
 openstack_db_setup_python_interpreter: "{{ openstack_service_setup_host_python_interpreter }}"
 
 # Locally cached copy on the repo server for the OpenStack upper-constraints.txt
-requirements_git_url: "{{ openstack_service_internaluri_proto ~ '://' ~ internal_lb_vip_address ~ ':' ~ repo_server_port ~ '/constraints/upper_constraints_' ~ requirements_git_install_branch ~ '.txt' }}"
\ No newline at end of file
+requirements_git_url: "{{ openstack_repo_url ~ '/constraints/upper_constraints_' ~ requirements_git_install_branch ~ '.txt' }}"