Twenty years after joining the European Union, Poland is still not ready to adopt the euro currency, the finance minister in the pro-European Union government said.

Andrzej Domański, finance minister in the Cabinet of Prime Minister Donald Tusk, said in an interview on TVN24 on Monday that Poland joining the eurozone, the currency union of 20 EU members, is not justified at this time.

He said he believed that having its own currency, the zloty, helped Poland avoid recession during the global financial crisis and to weather other shocks.

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A multicolor 10 Polish Zloty coin marking Poland entering the European Union is presented by the National Bank of Poland in Warsaw

A multicolor 10 Polish Zloty coin marking Poland's entry into the European Union is presented by the National Bank of Poland in Warsaw, on April 14, 2004. The finance minister in Poland’s pro-European Union government says the country is still not ready to adopt the euro currency. (AP Photo/Alik Keplicz, File)

On Wednesday, Poland and nine other countries will mark the 20th anniversary of joining the EU, on May 1, 2004. Under the terms of membership, Poland committed itself to replacing the zloty with the single European currency.