diff --git a/src/Misc/layoutbin/RunnerService.js b/src/Misc/layoutbin/RunnerService.js
index f5160acd4..6574ae0e6 100644
--- a/src/Misc/layoutbin/RunnerService.js
+++ b/src/Misc/layoutbin/RunnerService.js
@@ -83,7 +83,7 @@ var gracefulShutdown = function (code) {
         listener.kill('SIGINT');
 
         console.log('Sending SIGKILL to runner listener');
-        setTimeout(() => listener.kill('SIGKILL'), 30000);
+        setTimeout(() => listener.kill('SIGKILL'), 30000).unref();
     }
 }