A federal judge in the state of Hawaii has extended his halt of U.S. President Donald Trump’s renewed Muslim ban which was imposed on nationals from six Muslim majority countries.

On Friday, Judge Derrick Watson converted the temporary restraining order to a preliminary injunction, which can end the ban permanently unless the U.S. Supreme Court restores it.

Watson first issued a nationwide order on Tuesday, blocking the third version of Trump’s incendiary Muslim ban for being discriminatory and in breach of immigration law.

The six predominantly Muslim countries are Iran, Syria, Yemen, Libya, Somalia and Chad. The ban also limits travel from Venezuela and North Korea.

A Maryland federal judge also blocked the travel ban on Wednesday. The U.S. administration is expected to appeal the rulings to the Supreme Court.

Trump has said that the ban is needed to tighten security and prevent terrorist attacks. However, Saudi Arabia is not included while fifteen of the 19 hijackers in the September 11 attacks were citizens of Saudi Arabia.

Opponents of the ban say it violates the U.S. Constitution because it discriminates against Muslims and certain nationalities.

Since coming to the White House, Trump has issued three travel bans. His third ban was announced September 24 and was scheduled to take effect on October 18.