diff --git a/app/views/repositories/_revisions.html.erb b/app/views/repositories/_revisions.html.erb
index 914999b34..a40a94d79 100644
--- a/app/views/repositories/_revisions.html.erb
+++ b/app/views/repositories/_revisions.html.erb
@@ -21,7 +21,7 @@ end %>
       :method => :get
      ) do %>
 <% show_diff = revisions.size > 1 %>
-<%= submit_tag(l(:label_view_diff), :name => nil) if show_diff %>
+<%= submit_tag(l(:label_view_diff), :name => nil) if show_diff && User.current.allowed_to?(:browse_repository, @repository.project) %>
 <table class="list changesets">
 <thead><tr>
 <th>#</th>
@@ -49,6 +49,6 @@ end %>
 <% end %>
 </tbody>
 </table>
-<%= submit_tag(l(:label_view_diff), :name => nil) if show_diff %>
+<%= submit_tag(l(:label_view_diff), :name => nil) if show_diff && User.current.allowed_to?(:browse_repository, @repository.project) %>
 <% end %>
 </div>