diff --git a/app/assets/javascripts/base.js b/app/assets/javascripts/base.js
index fc38d4a9..3e39eed3 100644
--- a/app/assets/javascripts/base.js
+++ b/app/assets/javascripts/base.js
@@ -20,17 +20,10 @@ $.fn.isPresent = function() {
 
 $.fn.scrollTo = function(selector) {
   $(this).animate({
-    scrollTop: $(selector).offset().top - $(this).offset().top + $(this).scrollTop()
+    scrollTop: $(document.querySelector(selector)).offset().top - $(this).offset().top + $(this).scrollTop()
   }, ANIMATION_DURATION);
 };
 
-// Same as $.replaceWith, just returns the new element instead of the deleted one
-$.fn.replaceWithAndReturnNewElement = function(a) {
-    const $a = $(a);
-    this.replaceWith($a);
-    return $a;
-};
-
 // Disable the use of web workers for JStree due to JS error
 // See https://github.com/vakata/jstree/issues/1717 for details
 $.jstree.defaults.core.worker = false;
diff --git a/app/assets/javascripts/channels/la_exercises.js b/app/assets/javascripts/channels/la_exercises.js
index 13c127ee..1f47c552 100644
--- a/app/assets/javascripts/channels/la_exercises.js
+++ b/app/assets/javascripts/channels/la_exercises.js
@@ -42,7 +42,9 @@ $(document).on('turbolinks:load', function() {
             if ($row.length === 0) {
                 $row = $($('#posted_rfcs')[0].insertRow(0));
             }
-            $row = $row.replaceWithAndReturnNewElement(data.html);
+            const $html = $(data.html);
+            $row.replaceWith($html);
+            $row = $html;
             $row.find('time').timeago();
             addClickEventToRfCEntry($row);
         }