diff --git a/addons/crm/crm_opportunity_view.xml b/addons/crm/crm_opportunity_view.xml
index 3a3c69d82aa..cb1d24c38fe 100644
--- a/addons/crm/crm_opportunity_view.xml
+++ b/addons/crm/crm_opportunity_view.xml
@@ -235,7 +235,7 @@
                     icon="gtk-go-forward" />
                 <button name="case_close" string="Won"
                     states="open,draft,pending" type="object"
-                    icon="gtk-close" />
+                    icon="gtk-apply" />
                 <button name="case_pending" string="Pending"
                     states="open,draft" type="object"
                     icon="gtk-media-pause" />