diff --git a/js/expand.js b/js/expand.js
index b64323d4..eba21eb9 100644
--- a/js/expand.js
+++ b/js/expand.js
@@ -22,7 +22,7 @@ $(document).ready(function() {
 	let doExpand = function() {
 		$(this)
 			.html($(this).text().replace(_("Click reply to view."), '<a href="javascript:void(0)">'+_("Click to expand")+'</a>.'))
-			.find('a').click(window.expand_fun = function() {
+			.find('a').click(window.expandFun = function() {
 				let thread = $(this).parents('[id^="thread_"]');
 				$.ajax({
 					url: thread.find('p.intro a.post_no:first').attr('href'),
diff --git a/js/live-index.js b/js/live-index.js
index 017d0c1f..2cc4698c 100644
--- a/js/live-index.js
+++ b/js/live-index.js
@@ -85,7 +85,7 @@ if (active_page == 'index' && (""+document.location).match(/\/(index\.html)?(\?|
 
     if ($(th).find(".new-posts").html() != msg) {
       $(th).find(".new-posts").html(msg);
-      $(th).find(".new-posts a").click(window.expand_fun);
+      $(th).find(".new-posts a").click(window.expandFun);
     }
   };