diff --git a/js/logging.js b/js/logging.js
index 757472ee520e..9d07f1a084a0 100644
--- a/js/logging.js
+++ b/js/logging.js
@@ -141,6 +141,6 @@ window.log = {
 };
 
 window.onerror = function(message, script, line, col, error) {
-  log.error(error.stack);
+  window.log.error(error.stack);
 };