diff --git a/src/core/modules/mathlib/mathlib_wrap.cpp b/src/core/modules/mathlib/mathlib_wrap.cpp
index 5628ccdeb..b86841d96 100755
--- a/src/core/modules/mathlib/mathlib_wrap.cpp
+++ b/src/core/modules/mathlib/mathlib_wrap.cpp
@@ -337,7 +337,7 @@ void export_qangle(scope _mathlib)
 		.def("get_angle_vectors",
 			GET_FUNCTION(void, AngleVectors, const QAngle &, Vector *, Vector *, Vector *),
 			"Euler QAngle -> Basis Vectors.  Each vector is optional",
-			(arg("forward")=NULL, arg("right")=NULL, arg("up")=NULL)
+			(arg("forward")=object(), arg("right")=object(), arg("up")=object())
 		)
 
 		.def("__getitem__",