diff --git a/indefero/src/IDF/templates/idf/issues/view.html b/indefero/src/IDF/templates/idf/issues/view.html
index bc91af9..23effc4 100644
--- a/indefero/src/IDF/templates/idf/issues/view.html
+++ b/indefero/src/IDF/templates/idf/issues/view.html
@@ -19,7 +19,7 @@
 {if $submitter_data.avatar != ''}
 <img style="float:right; position: relative; max-height: 60px; max-width: 60px;" src="{upload}/avatars/{$submitter_data.avatar}" alt=" " />
 {else}
-<img style="float:right; position: relative; max-height: 60px; max-width: 60px;" src="http://www.gravatar.com/avatar/{$submitter.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
+<img style="float:right; position: relative; max-height: 60px; max-width: 60px;" src="//www.gravatar.com/avatar/{$submitter.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
 {/if}
 {if $i == 0}
 <p>{blocktrans}Reported by {$submitter}, {/blocktrans}<span title="{$c.creation_dtime} GMT">{$request.user.convertToUserTimezone($c.creation_dtime)}</span></p>
diff --git a/indefero/src/IDF/templates/idf/review/view.html b/indefero/src/IDF/templates/idf/review/view.html
index 41d368b..3a03cab 100644
--- a/indefero/src/IDF/templates/idf/review/view.html
+++ b/indefero/src/IDF/templates/idf/review/view.html
@@ -102,7 +102,7 @@ to propose more contributions</strong>.
 {if $submitter_data.avatar != ''}
     <img style="float:right; position: relative; max-height: 60px; max-width: 60px;" src="{upload}/avatars/{$submitter_data.avatar}" alt=" " />
 {else}
-    <img style="float:right; position: relative;" src="http://www.gravatar.com/avatar/{$submitter.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
+    <img style="float:right; position: relative;" src="//www.gravatar.com/avatar/{$submitter.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
 {/if}
 {aurl 'url', 'IDF_Views_Review::view', array($project.shortname, $review.id)}
 {assign $id = $c.id}
diff --git a/indefero/src/IDF/templates/idf/user/public.html b/indefero/src/IDF/templates/idf/user/public.html
index 32e5dee..721e909 100644
--- a/indefero/src/IDF/templates/idf/user/public.html
+++ b/indefero/src/IDF/templates/idf/user/public.html
@@ -5,7 +5,7 @@
 <th style="text-align: right">{if $user_data.avatar != ''}
     <img style="max-height: 60px; max-width: 60px;" src="{upload}/avatars/{$user_data.avatar}" alt=" " />
 {else}
-    <img src="http://www.gravatar.com/avatar/{$member.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
+    <img src="//www.gravatar.com/avatar/{$member.email|md5}.jpg?s=60&amp;d={media}/idf/img/spacer.gif" alt=" " />
 {/if}
 </th>
 <td>{$member}</td>