diff --git a/app/helpers/gantt_helper.rb b/app/helpers/gantt_helper.rb
index 699852ffc..03bd8451f 100644
--- a/app/helpers/gantt_helper.rb
+++ b/app/helpers/gantt_helper.rb
@@ -5,12 +5,12 @@
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
@@ -27,7 +27,7 @@ module GanttHelper
       else
         content_tag('span', l(:text_zoom_in), :class => 'icon icon-zoom-in')
       end
-      
+
     when :out
       if gantt.zoom > 1
         link_to_content_update l(:text_zoom_out),