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
@@ -70,14 +70,20 @@
               <%include file="/compare/compare_cs.html" />
 
               ## FILES
-              <div style="font-size:1.1em;font-weight: bold;clear:both;padding-top:10px">${_('Files affected')}</div>
-              <div class="cs_files">
+              <div id="affected_files">
+              % if c.files:
+                <div style="font-size:1.1em;font-weight: bold;clear:both;padding-top:10px">${_('Files affected')}</div>
+                <div class="cs_files">              
                 %for fid, change, f, stat in c.files:
                     <div class="cs_${change}">
                       <div class="node">${h.link_to(h.safe_unicode(f),h.url.current(anchor=fid))}</div>
                       <div class="changes">${h.fancy_file_stats(stat)}</div>
                     </div>
                 %endfor
+               </div>
+              %else:
+                <div class="ui-btn" style="text-align: center;margin-top:5px">${_('Click to load diff details')}</div>
+              %endif
               </div>
           </div>
       </div>
@@ -131,10 +137,12 @@
     </script>
 
     ## diff block
+    <div id="diff_block_container" style="clear:both;">
     <%namespace name="diff_block" file="/changeset/diff_block.html"/>
     %for fid, change, f, stat in c.files:
       ${diff_block.diff_block_simple([c.changes[fid]])}
     %endfor
+    </div>
 
     ## template for inline comment form
     <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>