diff --git a/app/views/repositories/_revisions.rhtml b/app/views/repositories/_revisions.rhtml
index 6972828b5..faec16662 100644
--- a/app/views/repositories/_revisions.rhtml
+++ b/app/views/repositories/_revisions.rhtml
@@ -15,7 +15,7 @@
 <tr class="<%= cycle 'odd', 'even' %>">
 <th align="center" style="width:3em;"><%= link_to changeset.revision, :action => 'revision', :id => project, :rev => changeset.revision %></th>
 <td align="center" style="width:1em;"><%= radio_button_tag('rev', changeset.revision, (line_num==1), :id => "cb-#{line_num}", :onclick => "$('cbto-#{line_num+1}').checked=true;") if show_diff && (line_num < changesets.size) %></td>
-<td align="center" style="width:1em;"><%= radio_button_tag('rev_to', changeset.revision, (line_num==2), :id => "cbto-#{line_num}") if show_diff && (line_num > 1) %></td>
+<td align="center" style="width:1em;"><%= radio_button_tag('rev_to', changeset.revision, (line_num==2), :id => "cbto-#{line_num}", :onclick => "if ($('cb-#{line_num}').checked==true) {$('cb-#{line_num-1}').checked=true;}") if show_diff && (line_num > 1) %></td>
 <td align="center" style="width:15%"><%= format_time(changeset.committed_on) %></td>
 <td align="center" style="width:15%"><em><%=h changeset.committer %></em></td>
 <td align="left"><%= textilizable(changeset.comments) %></td>