diff --git a/yuthon_property_approval/views/property_lease_contract.xml b/yuthon_property_approval/views/property_lease_contract.xml
index bcce432d3..584b2f096 100644
--- a/yuthon_property_approval/views/property_lease_contract.xml
+++ b/yuthon_property_approval/views/property_lease_contract.xml
@@ -57,7 +57,7 @@
                             <field name="contract_code"/>
                         </group>
                         <group>
-                            <field name="contract_type"/>
+                            <field name="contract_type" string=" "/>
                         </group>
                         <group>
                             <field name="rental_purposes"/>
@@ -461,7 +461,7 @@
                             <field name="contract_code"/>
                         </group>
                         <group>
-                            <field name="contract_type"/>
+                            <field name="contract_type" string=" "/>
                         </group>
                         <group>
                             <field name="rental_purposes"/>