diff --git a/app/helpers/delayed_jobs_helper.rb b/app/helpers/delayed_jobs_helper.rb
index 3667e228e..165673d84 100644
--- a/app/helpers/delayed_jobs_helper.rb
+++ b/app/helpers/delayed_jobs_helper.rb
@@ -2,31 +2,31 @@ module DelayedJobsHelper
   def print_handler(job)
     case job.name
     when "Class#expire_cache"
-      "<strong>expire post count cache</strong>: " + job.payload_object.args.flatten.join(" ")
+      "<strong>expire post count cache</strong>: " + h(job.payload_object.args.flatten.join(" "))
 
     when "Upload#process!"
       '<strong>upload post</strong>: <a href="/uploads/' + job.payload_object.object.id.to_s + '">record</a>'
 
     when "Tag#update_related"
-      "<strong>update related tags</strong>: " + job.payload_object.name
+      "<strong>update related tags</strong>: " + h(job.payload_object.name)
 
     when "TagAlias#process!"
-      '<strong>alias</strong>: ' + job.payload_object.antecedent_name + " -&gt; " + job.payload_object.consequent_name
+      '<strong>alias</strong>: ' + h(job.payload_object.antecedent_name) + " -&gt; " + h(job.payload_object.consequent_name)
 
     when "TagImplication#process!"
-      '<strong>implication</strong>: ' + job.payload_object.antecedent_name + " -&gt; " + job.payload_object.consequent_name
+      '<strong>implication</strong>: ' + h(job.payload_object.antecedent_name) + " -&gt; " + h(job.payload_object.consequent_name)
 
     when "Class#clear_cache_for"
-      "<strong>expire tag alias cache</strong>: " + job.payload_object.args.flatten.join(" ")
+      "<strong>expire tag alias cache</strong>: " + h(job.payload_object.args.flatten.join(" "))
 
     when "Tag#update_category_cache"
-      "<strong>update tag category cache</strong>: " + job.payload_object.name
+      "<strong>update tag category cache</strong>: " + h(job.payload_object.name)
 
     when "Tag#update_category_post_counts"
-      "<strong>update category post counts</strong>: " + job.payload_object.name
+      "<strong>update category post counts</strong>: " + h(job.payload_object.name)
 
     else
-      job.handler
+      h(job.handler)
     end
   end
 end