diff --git a/services/jenkins/configmap-jcasc.yaml b/services/jenkins/configmap-jcasc.yaml
index 836a86a48..508f8e463 100644
--- a/services/jenkins/configmap-jcasc.yaml
+++ b/services/jenkins/configmap-jcasc.yaml
@@ -533,10 +533,10 @@ data:
                             '              fi',
                             '              STATE=$(cat "$STATE_FILE")',
                             '              if [ "$STATE" = "healthy" ]; then',
-                            '                echo "{\\"event\\":\\"hermes_demo_test_pass\\",\\"incident_id\\":\\"$INCIDENT_ID\\",\\"message\\":\\"fixture state healthy\\"}"',
+                            '                echo "{\\\\"event\\\\":\\\\"hermes_demo_test_pass\\\\",\\\\"incident_id\\\\":\\\\"$INCIDENT_ID\\\\",\\\\"message\\\\":\\\\"fixture state healthy\\\\"}"',
                             '                exit 0',
                             '              fi',
-                            '              echo "{\\"event\\":\\"hermes_demo_test_failure\\",\\"incident_id\\":\\"$INCIDENT_ID\\",\\"classification_hint\\":\\"demo_fixture_unhealthy\\",\\"message\\":\\"expected fixture state healthy; found $STATE\\"}"',
+                            '              echo "{\\\\"event\\\\":\\\\"hermes_demo_test_failure\\\\",\\\\"incident_id\\\\":\\\\"$INCIDENT_ID\\\\",\\\\"classification_hint\\\\":\\\\"demo_fixture_unhealthy\\\\",\\\\"message\\\\":\\\\"expected fixture state healthy; found $STATE\\\\"}"',
                             '              exit 1',
                             '          volumeMounts:',
                             '            - name: fixture',
@@ -553,7 +553,7 @@ data:
                             '          persistentVolumeClaim:',
                             '            claimName: hermes-triage-demo-fixture'
                           ]
-                          writeFile file: 'test-runner-job.yaml', text: manifest.join('\n') + '\n'
+                          writeFile file: 'test-runner-job.yaml', text: manifest.join('\\n') + '\\n'
                           sh 'kubectl -n hermes-triage-demo create -f test-runner-job.yaml'
                           def verdict = 'unknown'
                           timeout(time: 3, unit: 'MINUTES') {