diff --git a/deploy/run-production-canary.sh b/deploy/run-production-canary.sh
index 3fcd49a..50ad776 100644
--- a/deploy/run-production-canary.sh
+++ b/deploy/run-production-canary.sh
@@ -68,7 +68,7 @@ JSON
 fi
 
 curl -fsS --max-time 10 -X POST "$SUPERVISOR_CONTROL_URL/v1/releases/start-set" -H 'Content-Type: application/json' --data "$release_json" >/dev/null || fail_rollback
-observation="$(printf '%s' "$release_json" | python3 -c 'import json,sys,time; s=json.load(sys.stdin); print(json.dumps({"release_id":s["id"],"ready":True,"reason":"all ReleaseSet healthchecks and image revisions passed","observed_at_unix_millis":int(time.time()*1000),"components":{k:{"revision":v["revision"],"health":True,"ready":True} for k,v in s["components"].items()}},separators=(",",":")))')"
+observation=$(printf '%s' "$release_json" | python3 -c 'import json,sys,time; s=json.load(sys.stdin); print(json.dumps({"release_id":s["id"],"ready":True,"reason":"all ReleaseSet healthchecks and image revisions passed","observed_at_unix_millis":int(time.time()*1000),"components":{k:{"revision":v["revision"],"health":True,"ready":True} for k,v in s["components"].items()}},separators=(",",":")))')
 curl -fsS --max-time 10 -X POST "$SUPERVISOR_CONTROL_URL/v1/releases/observe-set" -H 'Content-Type: application/json' --data "$observation" >/dev/null || fail_rollback
 control /v1/traffic/canary || fail_rollback