Picking Qunatity

Dear SAP,

i am using the condition type EK00 for picking list output. when iam taking the print of picking list from VL70 t.code, system automaticall updating the delivery quntity as picking qunity in delivery document.

how to restrict the automatic updation of picking qunity in delivery document.

pealse help me out.

Thanks in advance.

Regards,

Ramakrishna