Prepare the correct amount of wages according to the W-2 but get your employer to issue a corrected W-2 as soon as possible. Your W-2 is what gets sent to the Social Security Administration, so that you get the correct amount of credit for working. If at all possible, wait until you have a corrected return to file. See this response from TurboTax AnnaB:
https://ttlc.intuit.com/replies/5102764