diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index b0b8be2c9677d..fae7e451b5291 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -900,6 +900,7 @@ public class InputManagerService extends IInputManager.Stub
 
     @Override // Binder call
     public VerifiedInputEvent verifyInputEvent(InputEvent event) {
+        Objects.requireNonNull(event, "event must not be null");
         return nativeVerifyInputEvent(mPtr, event);
     }