You may have to stay up a little later to watch Nik Wallenda walk a tightrope across Niagara Falls next month.

The start time of the walk has been bumped from 9pm on June 15th to 10pm.

That came as a surprise to Niagara Parks Commission Chair Janice Thomson.  The contract Wallenda signed with the Parks Commission says he's walking 9pm-9:45pm.

She fired off an e-mail to the wirewalker's team to find what was up.  They wrote back to say ABC, which is broadcasting the wirewalk in the US was behind the time shift.

Thomson says the change was "a blip" & the network probably didn't think it would be a problem. She says the Parks will have to reconsider their plans for staffing & security.  She isn't sure if the time change will cost the Parks more.

Despite Wallenda's signature next to a 9pm start time, Thomson says contracts can be changed & she's sure the Parks can figure out a way to work around a 10pm start.