diff --git a/jobs/templates/includes/stage-python-tests.groovy.j2 b/jobs/templates/includes/stage-python-tests.groovy.j2
index f1f6494..6824e90 100644
--- a/jobs/templates/includes/stage-python-tests.groovy.j2
+++ b/jobs/templates/includes/stage-python-tests.groovy.j2
@@ -1,32 +1,33 @@
 stage('Python tests') {
   steps {
     sh '''
     python3 -m tox -e $TOX_ENVIRONMENT -- \
       --cov-report=xml \
       --junit-xml=test-results.xml \
       -v
     '''
   }
   post {
     always {
       archiveArtifacts(
         allowEmptyArchive: true,
         artifacts: '*.xml',
         fingerprint: true,
       )
 
       publishCoverage(
         adapters: [
           coberturaAdapter(path: 'coverage.xml'),
         ],
         tag: 'pytest',
+        sourceFileResolver: sourceFiles('STORE_LAST_BUILD'),
       )
 
       // JUnit report
       junit(
         allowEmptyResults: true,
         testResults: 'test-results.xml',
       )
     }
   } // post
 } // unit tests