David Cameron was picked up on a Commons microphone on Wednesday complaining prime minister's questions is getting "longer and longer".
The half-hour session often overruns by a few minutes at Speaker John Bercow's discretion - much to the frustration of the prime minister.
After today's edition of PMQs, which ran beyond 12.30pm, Cameron approached Bercow. "Prime minister," The Speaker can be heard to say. "It's getting longer and longer," Cameron replied.