diff --git a/stock_quant_manual_assign/views/stock_move_view.xml b/stock_quant_manual_assign/views/stock_move_view.xml
index 6d964fabb8db..2e1caf16258d 100644
--- a/stock_quant_manual_assign/views/stock_move_view.xml
+++ b/stock_quant_manual_assign/views/stock_move_view.xml
@@ -12,7 +12,7 @@
                     icon="fa-tags"
                     title="Manual Quants"
                     options='{"warn": true}'
-                    attrs="{'invisible':['|',('picking_code','=','incoming'),('state','not in',('confirmed','assigned','partially_available'))]}"
+                    invisible="picking_code == 'incoming' or state not in ['confirmed', 'assigned', 'partially_available']"
                 />
             </button>
         </field>