diff --git a/public/js/script.js b/public/js/script.js
index 2ce35f57b..6c3ddb8c4 100644
--- a/public/js/script.js
+++ b/public/js/script.js
@@ -561,7 +561,7 @@ function updateCaretPosition() {
 
   if (config.smoothCaret) {
     duration = 100;
-    if (Math.round(caret.offsetTop) != Math.round(newTop)) {
+    if (Math.round(caret[0].offsetTop) != Math.round(newTop)) {
       caret.css("top", newTop);
       duration = 10;
     }