diff --git a/mex/sources/libkorder/sylv/Vector.hh b/mex/sources/libkorder/sylv/Vector.hh
index fac383940f0c09d8126210496741c18190cfe1a3..49b2f892f1ef890da94d8091cf5c0fb33e851cba 100644
--- a/mex/sources/libkorder/sylv/Vector.hh
+++ b/mex/sources/libkorder/sylv/Vector.hh
@@ -54,7 +54,7 @@ public:
   {
   }
   Vector(const Vector& v);
-  Vector(Vector&& v) :
+  Vector(Vector&& v) noexcept :
       len {std::exchange(v.len, 0)},
       s {v.s},
       data {std::exchange(v.data, nullptr)},