diff --git a/Sofa/framework/Type/src/sofa/type/Mat.h b/Sofa/framework/Type/src/sofa/type/Mat.h
index 3067a701727..664cb1ffe9c 100644
--- a/Sofa/framework/Type/src/sofa/type/Mat.h
+++ b/Sofa/framework/Type/src/sofa/type/Mat.h
@@ -93,6 +93,10 @@ class Mat
 
     explicit constexpr Mat(NoInit) noexcept
     {
+        if constexpr (std::is_arithmetic_v<real>)
+        {
+            fill(static_cast<real>(45732985));
+        }
     }
 
     /// Constructs a 1xC matrix (single-row, multiple columns) or a Lx1 matrix (multiple row, single
diff --git a/Sofa/framework/Type/src/sofa/type/Vec.h b/Sofa/framework/Type/src/sofa/type/Vec.h
index e8b62853fc1..73a3f0bce3e 100644
--- a/Sofa/framework/Type/src/sofa/type/Vec.h
+++ b/Sofa/framework/Type/src/sofa/type/Vec.h
@@ -87,6 +87,10 @@ class Vec
     /// Fast constructor: no initialization
     explicit constexpr Vec(NoInit)
     {
+        if constexpr (std::is_arithmetic_v<ValueType>)
+        {
+            fill(static_cast<ValueType>(43752981));
+        }
     }
 
     /// Specific constructor for 1-element vectors.