In 1989 the PPR merged with these left-wing parties to become the GreenLeft. Beckers was elected lijsttrekker of the new formation. In the 1989 elections the GreenLeft got a disappointing six seats. Beckers remained political leader of the GreenLeft until 1993, when she stood down for a new generation. She had been political leader of her party for sixteen years. When she left parliament in 1993 prime-minister Lubbers praised her by saying "you gave us (the government) a lot of trouble".