MINNEAPOLIS — A conservative Blue Dog Democrat from Minnesota who broke ranks with most members of his party by voting against a bill to avert the so-called fiscal cliff said Wednesday it fails to cut spending enough and won’t prevent another political showdown.

Rep. Collin Peterson was the only Minnesota Democrat to vote no when the House passed the bill 257-167 late Tuesday night, while Rep. John Kline was the only Minnesota Republican to vote yes. Democrats Tim Walz, Betty McCollum and Keith Ellison supported the bill while Republicans Erik Paulsen, Michele Bachmann and Chip Cravaack opposed it.

Peterson, who was one of only 16 Democrats to vote against the final deal, called it “a joke.” The nonpartisan Congressional Budget Office calculated that the legislation will add nearly $4 trillion to federal deficits over the next decade compared with what would have happened if Congress had done nothing and let taxes increase. Like many Republicans, Peterson said the package should have included substantial spending cuts.

“We’re I don’t know how many trillion dollars in debt and we added $4 trillion more to the deficit. … We can’t keep spending money we don’t have,” Peterson told The Associated Press on Wednesday.

Peterson, the ranking Democrat on the House Agriculture Committee, had long opposed a short-term extension of the 2008 Farm Bill, which became part of the final deal. He wanted a new five-year farm bill to be part of the plan, including a dairy policy overhaul that he authored but that did not make it into the bill. Instead, the final bill keeps current farm programs in place for now, and averted a potential doubling of milk prices. But Peterson said he would have voted no even if the bill had included the farm provisions he sought.