Wolves manager Mick McCarthy changed his 50th birthday plans after watching his team slide to defeat at Midlands rivals Coventry in the Coca-Cola Championship.
McCarthy admitted he would be having a commiseration drink rather than it being a celebration affair after Sylvan Ebanks-Blake missed a 94th-minute penalty.
Referee Michael Oliver pointed to the spot after ruling Sky Blues centre-half Ben Turner had fouled Ebanks-Blake.
The Championship's top scorer stepped up but his poor effort was easily saved by Republic of Ireland international Keiren Westwood as he dived to his right.
McCarthy said: "I think we deserved to get out of jail for our second-half performance but we didn't deserve to get out of jail for the way we defended.
"We are letting goals in far too easily and if we continue to do that we won't progress any further.
"In terms of effort the players can't be knocked or in the way they played especially in the second half when we had enough chances.
"The opportunity to win something is in reach for them but they will never forgive themselves if we let it out of our grasp that's for sure."
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