diff --git a/packages/core/clockworker.js b/packages/core/clockworker.js
index 2b813769..7ca04528 100644
--- a/packages/core/clockworker.js
+++ b/packages/core/clockworker.js
@@ -1,3 +1,4 @@
+// eslint-disable-next-line no-undef
 importScripts('./zyklus.js');
 
 function getTime() {