diff --git a/others/db_changes/struct/create_pers.xml b/others/db_changes/struct/create_pers.xml
index 091b5722cba0f541deb6766d4ab56493fb9ea720..2fc0b35392db9b5e910225760dd710850b544013 100644
--- a/others/db_changes/struct/create_pers.xml
+++ b/others/db_changes/struct/create_pers.xml
@@ -12,9 +12,7 @@
 		<column name="USER_NEW" type="VARCHAR(50)"/>
 		<column name="FIRSTNAME" type="VARCHAR(50)"/>
 		<column name="MIDDLENAME" type="VARCHAR(50)"/>
-		<column name="LASTNAME" type="VARChAR(50)">
-                    <constraints nullable="false"/>
-                </column>
+		<column name="LASTNAME" type="VARChAR(50)"/>
 		<column name="GENDER" type="VARCHAR(50)"/>
 		<column name="SALUTATION" type="VARCHAR(16)"/>
 		<column name="TITLE" type="VARCHAR(50)"/>