diff --git a/include/RE/B/bhkCharacterController.h b/include/RE/B/bhkCharacterController.h
index ddd60385f..3c05662ca 100644
--- a/include/RE/B/bhkCharacterController.h
+++ b/include/RE/B/bhkCharacterController.h
@@ -21,6 +21,7 @@ namespace RE
 	class bhkShape;
 	class bhkWorld;
 	class hkpRigidBody;
+	class hkpWorldObject;
 	class hkContactPoint;
 	class hkTransform;
 	class hkVector4;