The new national stadium is not set to open until November
Poland's preparations for hosting Euro 2012 have been hit after a friendly with Germany scheduled for September was moved from Warsaw to Gdansk.
Poland had been due to face Germany in the new national stadium, which will not now be completed until November.
The new venue, in Gdansk, is not due to be finished for another three weeks.
But the Polish Football Association (PZPN) said it is "confident" September's match will take place at Gdansk's "beautiful stadium".
Construction delays to stadiums have been a major problem for Poland and co-hosts Ukraine, and the Gdansk ground has not been free of problems.
A June friendly with France has already been moved because of building delays with the stadium, which should open in July.
The new national stadium in Warsaw is set to host Euro 2012's opening game and a semi-final next summer.
Poland's next fixture is against Georgia on 10 August at the new Dialog Arena in the western Polish city of Lubin, home to top-flight club Zaglebie.