diff --git a/NucleicRemote/NucleicRemote/LiveActivityManager.swift b/NucleicRemote/NucleicRemote/LiveActivityManager.swift
index 0f12bf4..04f5cb6 100644
--- a/NucleicRemote/NucleicRemote/LiveActivityManager.swift
+++ b/NucleicRemote/NucleicRemote/LiveActivityManager.swift
@@ -136,10 +136,13 @@ final class LiveActivityManager {
     func end() {
         updateTask?.cancel()
         updateTask = nil
+        tokenObservation?.cancel()
+        tokenObservation = nil
         pendingState = nil
         lastState = nil
         guard let activity else { return }
         self.activity = nil
+        onActivityEnded?(activity.id)  // let the Macs stop pushing to this token
         Task {
             await activity.end(
                 ActivityContent(state: activity.content.state, staleDate: nil),