diff --git a/addons/account_voucher/voucher_sales_purchase_view.xml b/addons/account_voucher/voucher_sales_purchase_view.xml
index 62e4a180fee..8a7e9a61f0f 100644
--- a/addons/account_voucher/voucher_sales_purchase_view.xml
+++ b/addons/account_voucher/voucher_sales_purchase_view.xml
@@ -64,6 +64,7 @@
                         <button name="recheck_voucher" string="Approve" states="recheck" icon="terp-check"/>
                         <button name="cancel_voucher" string="Cancel" states="draft,proforma,recheck"  icon="gtk-cancel"/>
                         <button name="action_cancel_draft" type="object" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize"/>
+                        <button name="%(action_view_account_voucher_unreconcile)d" string="Cancel" type="action" states="posted" icon="terp-stock_effects-object-colorize"/>
                     </group>
                 </form>
             </field>
@@ -135,6 +136,7 @@
                         <button name="recheck_voucher" string="Approve" states="recheck" icon="terp-check"/>
                         <button name="cancel_voucher" string="Cancel" states="draft,proforma,recheck"  icon="gtk-cancel"/>
                         <button name="action_cancel_draft" type="object" states="cancel" string="Set to Draft" icon="terp-stock_effects-object-colorize"/>
+                        <button name="%(action_view_account_voucher_unreconcile)d" string="Cancel" type="action" states="posted" icon="terp-stock_effects-object-colorize"/>
                     </group>
                 </form>
             </field>