Self-employed taking the standard deduction?

I've been self-employed for 20 years now (sole prop) and work out of my home office. I file taxes jointly with my husband who is not self-employed and we have always itemized. This year, it looks like the standard ded may give us a little bigger refund than itemizing. Is this a flag for the IRS - because of the change? Will it be a flag for the IRS if we itemize the year after? Is there a problem with me/us taking the standard deduction as a sole proprietor? Any info you can give me will be appreciated, these new tax laws are confusing! Thank you!