diff --git a/core/internal/server/brightness/manager.go b/core/internal/server/brightness/manager.go
index c88b6a51..4cf7dd49 100644
--- a/core/internal/server/brightness/manager.go
+++ b/core/internal/server/brightness/manager.go
@@ -96,6 +96,12 @@ func (m *Manager) Rescan() {
 		}
 	}
 
+	if m.sysfsReady && m.sysfsBackend != nil {
+		if err := m.sysfsBackend.Rescan(); err != nil {
+			log.Debugf("Sysfs rescan failed: %v", err)
+		}
+	}
+
 	m.updateState()
 }
 
diff --git a/core/internal/server/brightness/sysfs.go b/core/internal/server/brightness/sysfs.go
index 6ba8c68e..1ff38f9a 100644
--- a/core/internal/server/brightness/sysfs.go
+++ b/core/internal/server/brightness/sysfs.go
@@ -101,6 +101,10 @@ func shouldSuppressDevice(name string) bool {
 	return false
 }
 
+func (b *SysfsBackend) Rescan() error {
+	return b.scanDevices()
+}
+
 func (b *SysfsBackend) GetDevices() ([]Device, error) {
 	devices := make([]Device, 0)