diff --git a/include/ui/Input.h b/include/ui/Input.h
index a2e0ba0..a7d23d4 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -43,7 +43,9 @@
 /*
  * Declare a concrete type for the NDK's input event forward declaration.
  */
-struct AInputEvent { };
+struct AInputEvent {
+    virtual ~AInputEvent() { }
+};
 
 namespace android {