No. However, you should clarify that the signature is that of the deponent (see the Law Society's publication Execution of Documents (3rd edition), which may be purchased from the Law Society's online bookshop).
Disclaimer: While every effort has been made to ensure the accuracy of the information in this article, it does not constitute legal advice and cannot be relied upon as such. The Law Society does not accept any responsibility for liabilities arising as a result of reliance upon the information given.
Have you got a practice question? Call the Practice Advice Service on 020 7320 5675 or email firstname.lastname@example.org