diff --git a/views/commit.twig b/views/commit.twig
index f3d0cac..0c0c74d 100644
--- a/views/commit.twig
+++ b/views/commit.twig
@@ -13,7 +13,7 @@
             <h4>{{ commit.message }}</h4>
         </div>
         <div class="commit-body">
-            <img src="https://gravatar.com/avatar/{{ commit.author.email | md5 }}?s=32" class="pull-left space-right" />
+            <img src="https://gravatar.com/avatar/{{ commit.author.email | lower | md5 }}?s=32" class="pull-left space-right" />
             <span><a href="mailto:{{ commit.author.email }}">{{ commit.author.name }}</a> authored on {{ commit.date | date('d/m/Y \\a\\t H:i:s') }}<br />Showing {{ commit.changedFiles }} changed files</span>
         </div>
     </div>
diff --git a/views/commits_list.twig b/views/commits_list.twig
index 0c5b2a3..f47f675 100644
--- a/views/commits_list.twig
+++ b/views/commits_list.twig
@@ -9,7 +9,7 @@
     <tbody>
         {% for item in commit %}
         <tr>
-            <td width="5%"><img src="http://gravatar.com/avatar/{{ item.author.email | md5 }}?s=40" /></td>
+            <td width="5%"><img src="http://gravatar.com/avatar/{{ item.author.email | lower | md5 }}?s=40" /></td>
             <td width="95%">
                 <span class="pull-right"><a class="btn btn-small" href="{{ path('commit', {repo: repo, commit: item.hash}) }}"><i class="icon-list-alt"></i> View {{ item.shortHash }}</a></span>
                 <h4>{{ item.message }}</h4>
@@ -37,4 +37,4 @@
     </li>
     {% endif %}
 </ul>
-{% endif %}
\ No newline at end of file
+{% endif %}