diff --git a/src/main/scala/gitbucket/core/view/helpers.scala b/src/main/scala/gitbucket/core/view/helpers.scala
index a0320ce91..221b750bc 100644
--- a/src/main/scala/gitbucket/core/view/helpers.scala
+++ b/src/main/scala/gitbucket/core/view/helpers.scala
@@ -155,6 +155,11 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
       .replaceAll("\\[commit:([^\\s]+?)/([^\\s]+?)\\@([^\\s]+?)\\]", (m: Match) => s"""<a href="${context.path}/${m.group(1)}/${m.group(2)}/commit/${m.group(3)}">${m.group(1)}/${m.group(2)}@${m.group(3).substring(0, 7)}</a>""")
     )
 
+  /**
+   * Remove html tags from the given Html instance.
+   */
+  def removeHtml(html: Html): Html = Html(html.body.replaceAll("<.+?>", ""))
+
   /**
    * URL encode except '/'.
    */
diff --git a/src/main/twirl/gitbucket/core/helper/feed.scala.xml b/src/main/twirl/gitbucket/core/helper/feed.scala.xml
index 440e1ff54..eab5badb5 100644
--- a/src/main/twirl/gitbucket/core/helper/feed.scala.xml
+++ b/src/main/twirl/gitbucket/core/helper/feed.scala.xml
@@ -16,7 +16,7 @@
     <published>@datetimeRFC3339(activity.activityDate)</published>
     <updated>@datetimeRFC3339(activity.activityDate)</updated>
     <link type="text/html" rel="alternate" href="@context.baseUrl/@activity.userName/@activity.repositoryName" />
-    <title type="html">@activityMessage(activity.message)</title>
+    <title type="html">@removeHtml(activityMessage(activity.message))</title>
     <author>
       <name>@activity.activityUserName</name>
       <uri>@url(activity.activityUserName)</uri>