diff --git a/boards/static/js/refpopup.js b/boards/static/js/refpopup.js
--- a/boards/static/js/refpopup.js
+++ b/boards/static/js/refpopup.js
@@ -80,7 +80,7 @@ function showPostPreview(e) {
     $del(doc.getElementById(cln.id));
 
     //add preview
-    $(cln).fadeIn();
+    $(cln).fadeIn(200);
     $('body').append(cln);
 }