diff --git a/src/main/java/net/minecraftforge/client/event/InputEvent.java b/src/main/java/net/minecraftforge/client/event/InputEvent.java
index 41e1da514b..ffc84e14db 100644
--- a/src/main/java/net/minecraftforge/client/event/InputEvent.java
+++ b/src/main/java/net/minecraftforge/client/event/InputEvent.java
@@ -30,6 +30,7 @@ public class InputEvent extends Event
     /**
      * A cancellable mouse event fired before key bindings are updated
      */
+    @Cancelable
     public static class RawMouseEvent extends InputEvent
     {
         private final int button;