diff --git a/rhodecode/templates/changelog/changelog.html b/rhodecode/templates/changelog/changelog.html
--- a/rhodecode/templates/changelog/changelog.html
+++ b/rhodecode/templates/changelog/changelog.html
@@ -59,7 +59,7 @@ ${_('%s Changelog') % c.repo_name} - ${c
 							</div>
 							<div class="author">
 								<div class="gravatar">
-									<img alt="gravatar" src="${h.gravatar_url(h.email(cs.author),16)}"/>
+									<img alt="gravatar" src="${h.gravatar_url(h.email_or_none(cs.author),16)}"/>
 								</div>
 								<div title="${cs.author}" class="user">${h.shorter(h.person(cs.author),22)}</div>
 							</div>