You do not have to claim it as self-employment income. Do not enter it as a 1099-MISC otherwise TurboTax will try and put it into self-employment.
Delete your 1099-MISC and enter the amount as Other Taxable Income.
- Type 1099-misc in Search in the top right
- Select Jump to 1099-misc
- On the 1099-MISC Summary, delete the 1099-MISC you entered
- Click Federal in the left column
- Click Wages & Income at the top
- Scroll down to Less Common Income. Click Show more
- Start Miscellaneous Income, 1099-A, 1099-C
- Start Other reportable income
- Say Yes to Any Other Taxable Income?
- Enter a description and amount