diff --git a/modules/jenkins/files/slave_scripts/run-unittests.sh b/modules/jenkins/files/slave_scripts/run-unittests.sh
index 66b2791032..407d121514 100755
--- a/modules/jenkins/files/slave_scripts/run-unittests.sh
+++ b/modules/jenkins/files/slave_scripts/run-unittests.sh
@@ -50,7 +50,7 @@ if [ -d ".testrepository" ] ; then
     if [ -f ".testrepository/0.2" ] ; then
         cp .testrepository/0.2 ./subunit_log.txt
     elif [ -f ".testrepository/0" ] ; then
-        cp .testrepository/0 ./subunit_log.txt
+        .tox/$venv/bin/subunit-1to2 < .testrepository/0 > ./subunit_log.txt
     fi
     .tox/$venv/bin/python /usr/local/jenkins/slave_scripts/subunit2html.py ./subunit_log.txt testr_results.html
     gzip -9 ./subunit_log.txt