diff --git a/include/boost/numeric/ublas/matrix.hpp b/include/boost/numeric/ublas/matrix.hpp
index 306c7a5a..b9b90942 100644
--- a/include/boost/numeric/ublas/matrix.hpp
+++ b/include/boost/numeric/ublas/matrix.hpp
@@ -2328,7 +2328,7 @@ namespace boost { namespace numeric { namespace ublas {
     };
 
     template<class T, class ALLOC>
-    const typename zero_matrix<T, ALLOC>::value_type zero_matrix<T, ALLOC>::zero_ (0);
+    const typename zero_matrix<T, ALLOC>::value_type zero_matrix<T, ALLOC>::zero_ = T(/*zero*/);
 
 
     // Identity matrix class
@@ -2710,9 +2710,9 @@ namespace boost { namespace numeric { namespace ublas {
     };
 
     template<class T, class ALLOC>
-    const typename identity_matrix<T, ALLOC>::value_type identity_matrix<T, ALLOC>::zero_ (0);
+    const typename identity_matrix<T, ALLOC>::value_type identity_matrix<T, ALLOC>::zero_ = T(/*zero*/);
     template<class T, class ALLOC>
-    const typename identity_matrix<T, ALLOC>::value_type identity_matrix<T, ALLOC>::one_ (1);
+    const typename identity_matrix<T, ALLOC>::value_type identity_matrix<T, ALLOC>::one_ (1); // ISSUE: need 'one'-traits here
 
 
     // Scalar matrix class
diff --git a/include/boost/numeric/ublas/vector.hpp b/include/boost/numeric/ublas/vector.hpp
index 072efa8f..d7733c91 100644
--- a/include/boost/numeric/ublas/vector.hpp
+++ b/include/boost/numeric/ublas/vector.hpp
@@ -759,7 +759,7 @@ namespace boost { namespace numeric { namespace ublas {
     };
 
     template<class T, class ALLOC>
-    typename zero_vector<T, ALLOC>::const_value_type zero_vector<T, ALLOC>::zero_ (0);
+    typename zero_vector<T, ALLOC>::const_value_type zero_vector<T, ALLOC>::zero_ = T(/*zero*/);
 
 
     // Unit vector class
@@ -971,9 +971,9 @@ namespace boost { namespace numeric { namespace ublas {
     };
 
     template<class T, class ALLOC>
-    typename unit_vector<T, ALLOC>::const_value_type unit_vector<T, ALLOC>::zero_ (0);
+    typename unit_vector<T, ALLOC>::const_value_type unit_vector<T, ALLOC>::zero_ = T(/*zero*/);
     template<class T, class ALLOC>
-    typename unit_vector<T, ALLOC>::const_value_type unit_vector<T, ALLOC>::one_ (1);
+    typename unit_vector<T, ALLOC>::const_value_type unit_vector<T, ALLOC>::one_ (1);  // ISSUE: need 'one'-traits here
 
 
     // Scalar vector class