diff --git a/app/views/repositories/_revisions.html.erb b/app/views/repositories/_revisions.html.erb
index 4f5dd14..a78e00f 100644
--- a/app/views/repositories/_revisions.html.erb
+++ b/app/views/repositories/_revisions.html.erb
@@ -17,7 +17,7 @@
 <td class="checkbox"><%= radio_button_tag('rev', changeset.identifier, (line_num==1), :id => "cb-#{line_num}", :onclick => "$('cbto-#{line_num+1}').checked=true;") if show_diff && (line_num < revisions.size) %></td>
 <td class="checkbox"><%= radio_button_tag('rev_to', changeset.identifier, (line_num==2), :id => "cbto-#{line_num}", :onclick => "if ($('cb-#{line_num}').checked==true) {$('cb-#{line_num-1}').checked=true;}") if show_diff && (line_num > 1) %></td>
 <td class="committed_on"><%= format_time(changeset.committed_on) %></td>
-<td class="author"><%= h truncate(changeset.author,:length => 30) %></td>
+<td class="author"><%= h truncate(changeset.author.to_s, :length => 30) %></td>
 <td class="comments"><%= textilizable(truncate_at_line_break(changeset.comments)) %></td>
 </tr>
 <% line_num += 1 %>