diff --git a/devops/resources/janitor.sh b/devops/resources/janitor.sh
index 4ac372588..afbb80fc7 100644
--- a/devops/resources/janitor.sh
+++ b/devops/resources/janitor.sh
@@ -47,7 +47,7 @@ curl -X POST "https://api.datadoghq.com/api/v1/series?api_key=${DD_KEY}" \
 -H "Content-Type: application/json" \
 -d '{
       "series" : [{
-          "metric": '${JOB_NAME##*/}+".heartbeat"',
+          "metric": '${JOB_NAME##*/}".heartbeat"',
           "points": [['"$(date +%s)"', 1]],
           "type": "gauge",
           "tags": ["env:edge", "app:minos"]