diff --git a/app/views/announcements/show.html.erb b/app/views/announcements/show.html.erb
index 3132485..d10b751 100644
--- a/app/views/announcements/show.html.erb
+++ b/app/views/announcements/show.html.erb
@@ -152,7 +152,7 @@
   $(function(){
     $('.annc-comment-div .btn-comment').click(function(){
       $.ajax({
-        url: "<%= "/xhr/announcements/#{params[:slug]}-#{params[:uid]}/comment" %>",
+        url: "<%= "/xhr/announcements/#{URI.encode(params[:slug])}-#{params[:uid]}/comment" %>",
         data : {"comment" : $(this).parents('.annc-comment-div').find('.announcement-comment').html()},
         dataType : "json",
         type : "get",