diff --git a/include/ComplexShape.h b/include/ComplexShape.h
index d6fd883aa6810bbc32bcdd7acf42b55cf3107bcf..3b2c6cb7772a933d66dc38a6ecea9c220c96d982 100644
--- a/include/ComplexShape.h
+++ b/include/ComplexShape.h
@@ -7,6 +7,10 @@ All rights reserved.  Please see niflib.h for licence. */
 #include "Ref.h"
 #include "nif_math.h"
 #include "nif_basic_types.h"
+#include "obj/NiProperty.h"
+#include "obj/NiNode.h"
+#include "obj/NiAVObject.h"
+#include "obj/NiTriBasedGeom.h"
 #include <vector>
 
 namespace Niflib {