Dairy Queen is celebrating the first day of spring with a free sweet treat.

The fast-food chain’s annual Free Cone Day is back Thursday in honor of the spring equinox, offering its customers a free ice cream cone.

Dairy Queen is only offering a small vanilla cone for free, while supplies last. Customers can only redeem one free cone for the day, per person.

The offer will not available for delivery through the DQ Rewards mobile app.

The offer is only available Thursday at participating Dairy Queen locations across the country. Click here to find your local restaurant and if its participating.

Dairy Queen is also offering something else that’s special on Free Cone Day for only $1 more.

The chain is partnering with Children’s Miracle Network Hospitals Thursday. Customers can choose to dip their cone in one of Dairy Queen’s dipped coatings for $1. Dairy Queen will donate the dollar to Children’s Miracle Network Hospitals.

Find hours of your local Dairy Queen here.