diff --git a/engines/fullpipe/motion.h b/engines/fullpipe/motion.h
index 733fa0839e0..b0bfe92d1f5 100644
--- a/engines/fullpipe/motion.h
+++ b/engines/fullpipe/motion.h
@@ -71,6 +71,8 @@ class MctlCompound : public MotionController {
 	MctlCompoundArray _motionControllers;
 
  public:
+	MctlCompound() { _objtype = kObjTypeMctlCompound; }
+
 	virtual bool load(MfcArchive &file);
 
 	virtual int addObject(StaticANIObject *obj);
diff --git a/engines/fullpipe/utils.h b/engines/fullpipe/utils.h
index 3223b9c76cd..e593bd9f18a 100644
--- a/engines/fullpipe/utils.h
+++ b/engines/fullpipe/utils.h
@@ -69,7 +69,8 @@ enum ObjType {
 	kObjTypeObjstateCommand,
 	kObjTypeStaticANIObject,
 	kObjTypePictureObject,
-	kObjTypeMovGraph
+	kObjTypeMovGraph,
+	kObjTypeMctlCompound
 };
 
 class CObject {