diff --git a/addons/hr_expense/hr_expense_view.xml b/addons/hr_expense/hr_expense_view.xml
index b5599cbe8b8..7db786ce609 100644
--- a/addons/hr_expense/hr_expense_view.xml
+++ b/addons/hr_expense/hr_expense_view.xml
@@ -98,7 +98,7 @@
                                 <button name="confirm" states="draft" string="Confirm" type="workflow" icon="gtk-apply"/>
                                 <button name="cancel" states="cancel" string="Cancel" type="workflow" icon="gtk-cancel"/>
                                 <button name="validate" states="confirm" string="Accept" type="workflow" icon="gtk-ok"/>
-                                <button name="invoice" states="accepted" string="Invoice" type="workflow" icon="gtk-print"/>
+                                <button name="invoice" states="accepted" string="Invoice" type="workflow" icon="gtk-execute"/>
                                 <button name="draft" states="confirm,cancelled" string="Set to Draft" type="workflow" icon="gtk-convert"/>
                                 <button name="refuse" states="confirm,draft,accepted" string="Refuse" type="workflow" icon="gtk-no"/>
                             </group>