diff --git a/.taskcluster.yml b/.taskcluster.yml
index 5a5c8ce2f103..8bd532164815 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -65,7 +65,7 @@ tasks:
           - "tc-treeherder.v2.${repository.project}.${push.revision}.${push.pushlog_id}"
           - "tc-treeherder-stage.v2.${repository.project}.${push.revision}.${push.pushlog_id}"
           - $if: 'tasks_for == "action"'
-            then: "index.gecko.v2.${repository.project}.pushlog-id.${push.pushlog_id}.actions.$ownTaskId"
+            then: "index.gecko.v2.${repository.project}.pushlog-id.${push.pushlog_id}.actions.${ownTaskId}"
             else: "index.gecko.v2.${repository.project}.latest.firefox.decision-${cron.job_name}"
 
       scopes: