Moscow has delayed the next round of talks with the United States on strategic stability, saying the negotiations are impossible while Washington refuses to continue consultations on cyber-security.

According to Russia’s ambassador to the U.S., Anatoly Antonov, American diplomats skipped a meeting in Geneva in late February where Russia and the United States were supposed to discuss international information security. After being stood up, the Russians say they’ve decided to cancel planned strategic stability talks scheduled to take place in Vienna on March 6 and 7.

Ambassador Antonov called the Americans’ decision in Geneva “the latest unfriendly step by the U.S.,” warning that it will “further degrade bilateral relations.”