--- a/Allura/allura/templates/widgets/repo/commit.html
+++ b/Allura/allura/templates/widgets/repo/commit.html
@@ -17,28 +17,28 @@
     {% for diff in commit.diffs.added %}
     <tr>
       <td>add</td>
-      <td><a href="./tree{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a></td>
+      <td><a href="./tree/{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a></td>
     </tr>
     {% endfor %}{% for diff in commit.diffs.removed %}
     <tr>
       <td>remove</td>
-      <td><a href="{{prev[0].url()}}tree{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a></td>
+      <td><a href="{{prev[0].url()}}tree/{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a></td>
     </tr>
     {% endfor %}{% for diff in commit.diffs.changed %}
     <tr>
       <td>change</td>
       <td>
         <a href="./tree/{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a>
-        <a href="./tree/{{h.really_unicode(diff)}}?diff={{prev[0].object_id}}">(diff)</a>
+        <a href="./tree/{{h.really_unicode(diff)}}?diff={{prev[0]._id}}">(diff)</a>
       </td>
     </tr>
     {% endfor %}{% for diff in commit.diffs.copied %}
     <tr>
       <td>copy</td>
       <td>
-        <a href="{{prev[0].url()}}tree{{h.really_unicode(diff.old)}}">{{h.really_unicode(diff.old)}}</a>
+        <a href="{{prev[0].url()}}tree/{{h.really_unicode(diff.old)}}">{{h.really_unicode(diff.old)}}</a>
         <br/>to<br/>
-        <a href="./tree{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a>
+        <a href="./tree/{{h.really_unicode(diff)}}">{{h.really_unicode(diff)}}</a>
       </td>
     </tr>
     {% endfor %}