diff --git a/addons/account_voucher/account_voucher_view.xml b/addons/account_voucher/account_voucher_view.xml
index 4674d62b6a0..6b8a2421c0d 100644
--- a/addons/account_voucher/account_voucher_view.xml
+++ b/addons/account_voucher/account_voucher_view.xml
@@ -80,7 +80,7 @@
                                     <field name="tax_amount" nolabel="1"/>
                                     <div class="oe_subtotal_footer_separator">
                                         <label for="amount"/>
-                                        <button type="object" icon="terp-stock_format-scientific"   name="compute_tax" class="oe_link oe_edit_only" string="(Update)" attrs="{'invisible': [('state','!=','draft')]}"/>
+                                        <button type="object" name="compute_tax" class="oe_link oe_edit_only" string="(Update)" attrs="{'invisible': [('state','!=','draft')]}"/>
                                     </div>
                                     <field name="amount" class="oe_subtotal_footer_separator" nolabel="1"/>
                                 </group>