United Kingdom, Oct. 7 -- Dick Van Dyke has joked that it would be "funny" if he "didn't make" his 100th birthday.

The Mary Poppins legend will celebrate his milestone birthday on December 13 but quipped that he is not guaranteed to reach three figures.

Speaking at the Vandy High Tea event in California, Dick said: "That's right. I'm not officially a hundred until December. Two months. Two months.

"It'd be funny if I didn't make it."

Dick later suggested that he "would've taken better care" of himself had he known he was going to live for so long and quipped that marrying his second wife Arlene Silver in 2012 is the only clever decision he has made.

The Chitty Chitty Bang Bang actor explained: "I brag sometimes about how I made it to...