diff --git a/Sofa/framework/Type/src/sofa/type/Mat.h b/Sofa/framework/Type/src/sofa/type/Mat.h
index 651fff3f146..3f213a19b02 100644
--- a/Sofa/framework/Type/src/sofa/type/Mat.h
+++ b/Sofa/framework/Type/src/sofa/type/Mat.h
@@ -89,7 +89,7 @@ class Mat
 
     ArrayLineType elems{};
 
-    constexpr Mat() noexcept = default;
+    constexpr Mat() noexcept : Mat(real{}) {}
 
     explicit constexpr Mat(NoInit) noexcept
     {