diff --git a/include/boost/numeric/ublas/matrix_proxy.hpp b/include/boost/numeric/ublas/matrix_proxy.hpp
index e03a60c1..c46a6f21 100644
--- a/include/boost/numeric/ublas/matrix_proxy.hpp
+++ b/include/boost/numeric/ublas/matrix_proxy.hpp
@@ -4031,13 +4031,13 @@ namespace boost { namespace numeric { namespace ublas {
     // Simple Projections
     template<class M>
     BOOST_UBLAS_INLINE
-    matrix_slice<M> subslice (M &data, typename M::size_type start1, typename M::differenece_type stride1, typename M::size_type size1, typename M::size_type start2, typename M::differenece_type stride2, typename M::size_type size2) {
+    matrix_slice<M> subslice (M &data, typename M::size_type start1, typename M::difference_type stride1, typename M::size_type size1, typename M::size_type start2, typename M::difference_type stride2, typename M::size_type size2) {
         typedef basic_slice<typename M::size_type, typename M::difference_type> slice_type;
         return matrix_slice<M> (data, slice_type (start1, stride1, size1), slice_type (start2, stride2, size2));
     }
     template<class M>
     BOOST_UBLAS_INLINE
-    matrix_slice<const M> subslice (const M &data, typename M::size_type start1, typename M::differenece_type stride1, typename M::size_type size1, typename M::size_type start2, typename M::differenece_type stride2, typename M::size_type size2) {
+    matrix_slice<const M> subslice (const M &data, typename M::size_type start1, typename M::difference_type stride1, typename M::size_type size1, typename M::size_type start2, typename M::difference_type stride2, typename M::size_type size2) {
         typedef basic_slice<typename M::size_type, typename M::difference_type> slice_type;
         return matrix_slice<const M> (data (), slice_type (start1, stride1, size1), slice_type (start2, stride2, size2));
     }
diff --git a/include/boost/numeric/ublas/vector_proxy.hpp b/include/boost/numeric/ublas/vector_proxy.hpp
index 3d8bb3c8..5a64d32a 100644
--- a/include/boost/numeric/ublas/vector_proxy.hpp
+++ b/include/boost/numeric/ublas/vector_proxy.hpp
@@ -976,13 +976,13 @@ namespace boost { namespace numeric { namespace ublas {
     // Simple Projections
     template<class V>
     BOOST_UBLAS_INLINE
-    vector_slice<V> subslice (V &data, typename V::size_type_t start, typename V::differenece_type stride, typename V::size_type size) {
+    vector_slice<V> subslice (V &data, typename V::size_type start, typename V::difference_type stride, typename V::size_type size) {
         typedef basic_slice<typename V::size_type, typename V::difference_type> slice_type;
         return vector_slice<V> (data, slice_type (start, stride, size));
     }
     template<class V>
     BOOST_UBLAS_INLINE
-    vector_slice<const V> subslice (const V &data, typename V::size_type start, typename V::differenece_type stride, typename V::size_type size)  {
+    vector_slice<const V> subslice (const V &data, typename V::size_type start, typename V::difference_type stride, typename V::size_type size)  {
         typedef basic_slice<typename V::size_type, typename V::difference_type> slice_type;
         return vector_slice<const V> (data, slice_type (start, stride, size));
     }