diff --git a/daemon/manager.rs b/daemon/manager.rs
index ac3bd42..1478da9 100644
--- a/daemon/manager.rs
+++ b/daemon/manager.rs
@@ -311,7 +311,16 @@ impl NiriTag {
             // WorkspaceActivated { .. } => (),
             // WorkspacesChanged { .. } => (),
             // WorkspaceUrgencyChanged { .. } => (),
-            // WindowsChanged { .. } => (),
+            WindowsChanged { windows } => {
+                for w in windows {
+                    self.windows.entry(w.id).or_insert(0);
+                    let action = self.do_action(TagAction::ChangeWindow(w.id)).await;
+                    if let Err(e) = action {
+                        tracing::warn!("Failed to ChangeWindow on {}: {}", w.id, e);
+                    }
+                }
+                Ok(())
+            }
             // WindowUrgencyChanged { .. } => (),
             _ => Ok(()),
         }