diff --git a/rhodecode/public/css/style.css b/rhodecode/public/css/style.css
--- a/rhodecode/public/css/style.css
+++ b/rhodecode/public/css/style.css
@@ -4667,7 +4667,7 @@ div.pr-details-title.closed,
 div.pr-title {
     font-size: 1.6em;
 }
-div.pr-details-title{
+div.pr-details-title {
     font-size: 1.6em;
     margin: 0px 20px 0px 20px;
     padding: 5px 0px 5px 10px;
diff --git a/rhodecode/templates/pullrequests/pullrequest_show.html b/rhodecode/templates/pullrequests/pullrequest_show.html
--- a/rhodecode/templates/pullrequests/pullrequest_show.html
+++ b/rhodecode/templates/pullrequests/pullrequest_show.html
@@ -71,7 +71,9 @@
              ##%elif h.is_git(c.pull_request.org_repo):
              ##  <img class="icon" title="${_('Git repository')}" alt="${_('Git repository')}" src="${h.url('/images/icons/giticon.png')}"/>
              ##%endif
-              <span class="spantag">${c.pull_request.org_ref_parts[0]}: ${c.pull_request.org_ref_parts[1]}</span>
+
+              ## branch link is only valid if it is a branch
+              <span class="spantag"><a href="${h.url('summary_home', repo_name=c.pull_request.org_repo.repo_name, anchor=c.pull_request.org_ref_parts[1])}">${c.pull_request.org_ref_parts[0]}: ${c.pull_request.org_ref_parts[1]}</a></span>
               <span>
                %if h.is_hg(c.pull_request.org_repo):
                  | ${_('Pull changes')} <span style="font-family: monospace">hg pull -r ${h.short_id(c.cs_ranges[-1].raw_id)} <a href="${h.url('summary_home', repo_name=c.pull_request.org_repo.repo_name)}">${c.pull_request.org_repo.clone_url()}</a></span>