The United States, Russia, and the other 19 powers trying to make peace in Syria announced on Thursday that they’d reached a cease-fire agreement. But a close look at the document reveals no real cease-fire and persistent disagreements on key issues.

Secretary of State John Kerry said at a press conference in Munich that the “cessation of hostilities,” which will begin in a week, does not apply to the fight against ISIS and the other main jihadist group, al-Nusra Front. But that is not quite what the document says. The document says that the pause in fighting—and the signatories’ support for “the agreement and implementation of a nationwide ceasefire”—does not apply to ISIS, al-Nusra Front, “or other groups designated as terrorist organizations by the United Nations Security Council.” (Italics added.)

Here’s the thing: The Security Council’s members are still divided on which groups in Syria to tag as “terrorist.” In line with Kerry’s remarks, the United States defines the term to include ISIS and Jabhat al-Nusra. But Russia broadens its coverage to any group fighting on the ground in Syria, other than the Syrian army and its allies.