diff --git a/packages/core/src/worker.js b/packages/core/src/worker.js
index c2b2c28..ea31ef1 100644
--- a/packages/core/src/worker.js
+++ b/packages/core/src/worker.js
@@ -141,6 +141,9 @@ function spawnWorkerRelay() {
     Dataspace.spawn('WorkerRelay', function () {
       const outerFacet = Dataspace.currentFacet();
 
+      const finish = Dataspace.backgroundTask();
+      outerFacet.addStopScript(finish);
+
       let outboundEndpoints = Map();
       let inboundEndpoints = Map();
       let nextId = 0;