diff --git a/app/assets/javascripts/forum_posts.js b/app/assets/javascripts/forum_posts.js
index 0ec5b9a10..e5a9138fb 100644
--- a/app/assets/javascripts/forum_posts.js
+++ b/app/assets/javascripts/forum_posts.js
@@ -21,16 +21,17 @@
   }
   
   Danbooru.ForumPost.initialize_preview_link = function() {
-    $("#c-forum-topics #preview a[name=toggle-preview]").click(function() {
+    $("#c-forum-topics #preview a[name=toggle-preview]").click(function(e) {
       $("#preview").toggle();
       $("#dtext-help").toggle();
+      e.preventDefault();
     });
     
     $("#c-forum-topics input[value=Preview]").click(function(e) {
       e.preventDefault();
       $.ajax({
         type: "post",
-        url: "/dtext/preview",
+        url: "/dtext_preview",
         data: {
           body: $("#forum_post_body").val()
         },
diff --git a/app/assets/javascripts/wiki_pages.js b/app/assets/javascripts/wiki_pages.js
index c176eb813..1d545df20 100644
--- a/app/assets/javascripts/wiki_pages.js
+++ b/app/assets/javascripts/wiki_pages.js
@@ -8,16 +8,17 @@
   }
   
   Danbooru.WikiPage.initialize_preview_link = function() {
-    $("#c-wiki-pages #preview a[name=toggle-preview]").click(function() {
+    $("#c-wiki-pages #preview a[name=toggle-preview]").click(function(e) {
       $("#preview").toggle();
       $("#dtext-help").toggle();
+      e.preventDefault();
     });
     
     $("#c-wiki-pages input[value=Preview]").click(function(e) {
       e.preventDefault();
       $.ajax({
         type: "post",
-        url: "/dtext/preview",
+        url: "/dtext_preview",
         data: {
           body: $("#wiki_page_body").val()
         },