diff --git a/jobs/swh-tests.yaml b/jobs/swh-tests.yaml
index 90c1f72..c5d501e 100644
--- a/jobs/swh-tests.yaml
+++ b/jobs/swh-tests.yaml
@@ -1,66 +1,66 @@
 - job-template:
     name: swh-tests-{name}
     node: swh-tox
 
     parameters:
       - string:
           name: BRANCH
           default: '{branch|master}'
     scm:
       - git:
           refspec: 'refs/heads/{branch|master}'
           url: https://forge.softwareheritage.org/source/swh-{name}.git
 
     numToKeep: 20
 
     triggers:
       - pollscm:
           cron: "H */3 * * *"
 
     wrappers:
       - timestamps
 
     builders:
       - shell: mkdir -p reports
       - shell: |
           if [ ! -f tox.ini ]
           then cat >tox.ini <<EOF
           [tox]
           envlist=py3
           [testenv:py3]
           deps =
             pifpaf
             nose
             coverage
           commands =
-            pifpaf run postgresql -- nosetests {posargs}
+            pifpaf run postgresql -- nosetests {{posargs}}
           EOF
           fi
       - shell: >
           python3 -m tox -e py3 --
            --with-coverage --cover-xml
            --cover-xml-file=./reports/covergage.xml
            --cover-package=swh.{name}
            --with-xunit --xunit-file=./reports/test-results.xml
       - shell: python3 -m coverage xml -o ./reports/coverage.xml
 
     publishers:
       - junit:
           results: "reports/test-results.xml"
       - cobertura:
           report-file: "reports/coverage.xml"
           fail-no-reports: "false"
           fail-unhealthy: "false"
           fail-unstable: "false"
           only-stable: "false"
           source-encoding: "UTF_8"
           zoom-coverage-chart: "false"
           targets:
             - files:
                 healthy: 10
                 unhealthy: 20
                 failing: 30
             - method:
                 healthy: 50
                 unhealthy: 40
                 failing: 30