diff --git a/autogenerate_config_docs/autohelp-wrapper b/autogenerate_config_docs/autohelp-wrapper
index e58128eb..5501dade 100755
--- a/autogenerate_config_docs/autohelp-wrapper
+++ b/autogenerate_config_docs/autohelp-wrapper
@@ -20,8 +20,8 @@ MANUALSREPO=$SOURCESDIR/openstack-manuals
 MAPPINGS_DIR=$MANUALSREPO/tools/autogenerate-config-flagmappings
 AUTOHELP="python $HERE/autohelp.py"
 EXTRACT_SWIFT="python $HERE/extract_swift_flags.py"
-GITBASE=git://git.openstack.org/openstack
-GITPROJ=git://git.openstack.org/openstack
+GITBASE=${GITBASE:-git://git.openstack.org/openstack}
+GITPROJ=${GITPROJ:-git://git.openstack.org/openstack}
 PROJECTS="aodh ceilometer cinder glance heat ironic keystone manila \
             neutron nova sahara swift trove zaqar"
 MANUALS_PROJECTS="openstack-manuals"