<tr name="use_timesheets_row">
<th style="border-right:1px solid #DDD;" width="140px">Timesheets</th>
<td><field name="use_timesheets" nolabel="1"/></td>
- <td style="text-align:right;"><button icon="terp-go-week" class="oe_btn_width" name="open_timesheets" string="Timesheets" type="object" attrs="{'invisible':[('use_timesheets','=', 0)]}"/></td>
+ <td style="text-align:right;"><button icon="terp-gtk-go-back-rtl" class="oe_btn_width" name="open_timesheets" string="Timesheets" type="object" attrs="{'invisible':[('use_timesheets','=', 0)]}"/></td>
</tr>
</xpath>
</field>