The three-year loan aims at preventing Greece from defaulting on its massive debt, which threatened an international financial crisis. In total, EU member states are prepared to lend Greece 80 billion euros, with Germany as the main contributor.

Ahead of the vote, Prime Minister Matti Vanhanen said the loan was necessary to calm the markets amid concerns that Greece's crisis might spread to other eurozone nations.

"If one single European country rejected this plan, a lack of confidence will contaminate the entire stabilisation plan for the eurozone," Vanhanen said.

The opposition Social Democrats voted against the plan, saying it was unfair for Finnish taxpayers to foot the bill for Greece's mistakes.

The government last week approved Finland's bailout plan, but it needed parliamentary ratification to come into force.

SDP Plans to Vote Against Greek Loan