diff --git a/libs/main/math/pimathvector.h b/libs/main/math/pimathvector.h
index 75bc284e..09b8d07b 100644
--- a/libs/main/math/pimathvector.h
+++ b/libs/main/math/pimathvector.h
@@ -125,6 +125,11 @@ inline PIMathVectorT<Size, Type> sqrt(const PIMathVectorT<Size, Type> & v) {PIMa
 template<uint Size, typename Type>
 inline PIMathVectorT<Size, Type> sqr(const PIMathVectorT<Size, Type> & v) {PIMathVectorT<Size, Type> ret; PIMV_FOR(i, 0) {ret[i] = sqr(v[i]);} return ret;}
 
+template<uint Size, typename Type>
+inline PIByteArray & operator <<(PIByteArray & s, const PIMathVectorT<Size, Type> & v) {for (uint i = 0; i < Size; ++i) s << v[i]; return s;}
+template<uint Size, typename Type>
+inline PIByteArray & operator >>(PIByteArray & s, PIMathVectorT<Size, Type> & v) {for (uint i = 0; i < Size; ++i) s >> v[i]; return s;}
+
 
 template<typename T>
 inline PIMathVectorT<2u, T> createVectorT2(T x, T y) {return PIMathVectorT<2u, T>(PIVector<T>() << x << y);}