diff --git a/js/src/util/index.js b/js/src/util/index.js
index cee403481195..f92c7eb5d749 100644
--- a/js/src/util/index.js
+++ b/js/src/util/index.js
@@ -26,7 +26,7 @@ const toType = obj => {
 
 const getUID = prefix => {
   do {
-    prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
+    prefix += Math.floor(Math.random() * MAX_UID)
   } while (document.getElementById(prefix))
 
   return prefix