diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index ff5631b..14c0679 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -81,9 +81,9 @@
     static std::shared_ptr<PointerController> create(
             const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
             const sp<SpriteController>& spriteController);
-    enum InactivityTimeout {
-        INACTIVITY_TIMEOUT_NORMAL = 0,
-        INACTIVITY_TIMEOUT_SHORT = 1,
+    enum class InactivityTimeout {
+        NORMAL = 0,
+        SHORT = 1,
     };
 
     virtual ~PointerController();