The Tories and Lib Dems are to return a £500,000 bequest after claims it was to be left to Battersea Dog Home, not to the coalition parties.
Retired vet Reginald Forbes left money in his Last Will & Testament to "Battersea Dogs Home, just Battersea Dogs Home, and to no one other than Battersea Dog Home" before adding "Under no circumstances should it go to the Government of the day, especially if they're Nazis, Commies or Liberal Democrats".
The Oxford veterinarian's £500,000 bequest made him the biggest donor to the Conservative and Liberal Democrat parties in the second quarter of the year, dwarfing the usual contributions by City financiers and other big money donors.
But after calls from everyone who had actually read Mr Forbe's bequest both parties announced they would give up the cash.
A spokesperson for the parties said: "It was a honest mistake. We've been telling Susan in the office for months that she really needs a new pair of glasses and this proves it. Last week, she thought Nick Clegg was a coat hanger. Which was hilarious. He stood dead still all morning and held her coat until she came back for it at lunchtime. To be honest, it's the only useful thing he's ever done."
Both parties deny that they believed voters are stupid and they thought they would get away with it.
A spokesperson for Battersea Dog Homes said: "Woof!"