diff --git a/static/js/custom.js b/static/js/custom.js
index 1fb841e..af58a05 100644
--- a/static/js/custom.js
+++ b/static/js/custom.js
@@ -971,7 +971,6 @@ function toggle_expired() {
 
 // Copy a PreAuth Key to the clipboard.  Show only the Prefix by default
 function copy_preauth_key(key) {
-    key.select();
     navigator.clipboard.writeText(key);
     M.toast({html: 'PreAuth key copied to clipboard.'})
 }