diff --git a/jobs/templates/swh-pipeline.groovy.j2 b/jobs/templates/swh-pipeline.groovy.j2
index ff20db4..d0e0149 100644
--- a/jobs/templates/swh-pipeline.groovy.j2
+++ b/jobs/templates/swh-pipeline.groovy.j2
@@ -1,151 +1,152 @@
 pipeline {
   {% filter indent(width=2) %}
     {%- include 'includes/agent-docker.groovy.j2' -%}
   {% endfilter %}
 
   options {
     // require "Throttle Concurrent Builds" Jenkins plugin
     throttleJobProperty(
       categories: [],
       limitOneJobWithMatchingParams: false,
       maxConcurrentPerNode: {{ max_concurrent }},
       maxConcurrentTotal: {{ max_concurrent }},
       paramsToUseForLimit: '',
       throttleEnabled: true,
       throttleOption: 'project',
     )
   }
 
   environment {
     PHAB_CONDUIT_URL = 'https://forge.softwareheritage.org/api/'
   }
 
   stages {
     stage('Checkout') {
       steps {
         {% filter indent(width=8) %}
           {%- include 'includes/create-phabricator-artifacts.groovy.j2' -%}
         {% endfilter %}
         checkout([
           $class: 'GitSCM',
           branches: [[name: "${params.REVISION}"]],
           doGenerateSubmoduleConfigurations: false,
-          extensions: [],
+          extensions: [[$class: 'CloneOption', honorRefspec: true]],
           gitTool: 'Default',
           submoduleCfg: [],
           userRemoteConfigs: [
-            [url: 'https://forge.softwareheritage.org/source/{{repo_name}}.git'],
+            [url: 'https://forge.softwareheritage.org/source/{{repo_name}}.git',
+             refspec: '+refs/heads/master:refs/remotes/origin/master'],
           ],
           browser: [$class: 'Phabricator', repoUrl: 'https://forge.softwareheritage.org', repo: '{{name}}']
         ])
       }
     }
 
     {%- if phabricator_diff %}
     stage('Apply phabricator diff') {
       steps {
         {% filter indent(width=8) %}
           {%- include 'includes/script-apply-phabricator-diff.groovy.j2' -%}
         {% endfilter %}
       }
     }
     {%- endif %}
 
     stage ('flake8') {
       steps {
         sh '''python3 -m tox -e flake8'''
       }
     }
 
     stage ('mypy') {
       steps {
         sh '''python3 -m tox -e mypy'''
       }
     }
 
     stage ('radon') {
       steps {
         sh  '''
           mkdir -p reports
           python3 -m radon raw --json swh/ > reports/raw_report.json
           python3 -m radon cc  --json swh/ > reports/cc_report.json
           python3 -m radon mi  --json swh/ > reports/mi_report.json
           python3 -m radon hal --json swh/ > reports/hal_report.json
           python3 -m radon cc  --xml  swh/ > reports/cc_report.xml
         '''
       }
       post {
         always {
           // Archive a few report files
           archiveArtifacts(
             allowEmptyArchive: true,
             artifacts: 'reports/*',
             fingerprint: true,
           )
 
           // Warnings NG
           recordIssues(
             enabledForFailure: true,
             tools: [
               ccm(pattern: '**/reports/cc_report.xml'),
             ],
           )
         }
       }
     }
 
     stage('Tests') {
       options {
         timeout(time: {{ timeout }}, unit: 'MINUTES')
       }
 
       parallel {
         {% filter indent(width=8) %}
           {%- include 'includes/stage-python-tests.groovy.j2' -%}
         {% endfilter %}
 
         {%- if do_cypress %}
         {% filter indent(width=8) %}
           {%- include 'includes/stage-cypress-tests.groovy.j2' -%}
         {% endfilter %}
         {%- endif %}
 
         stage('Sphinx documentation') {
           {% filter indent(width=10) %}
             {%- include 'includes/agent-docker-sphinx.groovy.j2' -%}
           {% endfilter %}
 
           steps {
             sh '''
             if tox -a | grep -x sphinx >/dev/null
             then
               tox -e sphinx
             else
               echo WARNING: no sphinx environment in tox.ini
             fi
             '''
           }
         } // sphinx doc
       } // parallel
     } // Tests stage
   } // stages
 
   post {
     always {
       step([$class: 'PhabricatorNotifier',
             commentOnSuccess: true,
             commentWithConsoleLinkOnFailure: true,
             commentFile: '.phabricator-comment',
             commentSize: '1000000',
             preserveFormatting: true,
             processLint: true,
             lintFile: '.phabricator-lint',
             lintFileSize: '1000000',
       ])
     } // always
 
     cleanup {
       cleanWs()
     }
   } // post
 } // pipeline