@@ -672,7 +672,7 @@ function install_tempest_plugins {

     pushd $TEMPEST_DIR

     if [[ $TEMPEST_PLUGINS != 0 ]] ; then

         # The requirements might be on a different branch, while tempest & tempest plugins needs master requirements.

-        (cd $REQUIREMENTS_DIR && git show master:upper-constraints.txt) > u-c-m.txt

+        (cd $REQUIREMENTS_DIR && git show origin/master:upper-constraints.txt) > u-c-m.txt

         tox -evenv-tempest -- pip install -c u-c-m.txt $TEMPEST_PLUGINS

         echo "Checking installed Tempest plugins:"

         tox -evenv-tempest -- tempest list-plugins