diff --git a/oslo_messaging/tests/functional/gate/post_test_hook.sh b/oslo_messaging/tests/functional/gate/post_test_hook.sh
index a3d2b825f..276129cdd 100755
--- a/oslo_messaging/tests/functional/gate/post_test_hook.sh
+++ b/oslo_messaging/tests/functional/gate/post_test_hook.sh
@@ -20,7 +20,7 @@ function generate_testr_results {
     if [ -f .testrepository/0 ]; then
         sudo .tox/py27-func-${RPC_BACKEND}/bin/testr last --subunit > $WORKSPACE/testrepository.subunit
         sudo mv $WORKSPACE/testrepository.subunit $BASE/logs/testrepository.subunit
-        sudo .tox/py27-func-${RPC_BACKEND}/bin/python /usr/local/jenkins/slave_scripts/subunit2html.py $BASE/logs/testrepository.subunit $BASE/logs/testr_results.html
+        sudo /usr/os-testr-env/bin/subunit2html $BASE/logs/testrepository.subunit $BASE/logs/testr_results.html
         sudo gzip -9 $BASE/logs/testrepository.subunit
         sudo gzip -9 $BASE/logs/testr_results.html
         sudo chown jenkins:jenkins $BASE/logs/testrepository.subunit.gz $BASE/logs/testr_results.html.gz