diff --git a/include/boost/iterator/permutation_iterator.hpp b/include/boost/iterator/permutation_iterator.hpp
index f41da1a..7b41ba1 100644
--- a/include/boost/iterator/permutation_iterator.hpp
+++ b/include/boost/iterator/permutation_iterator.hpp
@@ -26,19 +26,19 @@ template< class ElementIterator
 class permutation_iterator
   : public iterator_adaptor< 
              permutation_iterator<ElementIterator, IndexIterator, ValueT, CategoryT, ReferenceT, DifferenceT>
-           , ElementIterator, ValueT, CategoryT, ReferenceT, DifferenceT >
+           , IndexIterator, ValueT, CategoryT, ReferenceT, DifferenceT >
 {
   typedef iterator_adaptor< 
             permutation_iterator<ElementIterator, IndexIterator, ValueT, CategoryT, ReferenceT, DifferenceT>
-          , ElementIterator, ValueT, CategoryT, ReferenceT, DifferenceT > super_t;
+          , IndexIterator, ValueT, CategoryT, ReferenceT, DifferenceT > super_t;
 
   friend class iterator_core_access;
 
 public:
-  permutation_iterator() : order_it_() {}
+  permutation_iterator() : m_elt_iter() {}
 
   explicit permutation_iterator(ElementIterator x, IndexIterator y) 
-      : super_t(x), order_it_(y) {}
+      : super_t(y), m_elt_iter(x) {}
 
   template<class OtherElementIterator, class OtherIndexIterator, class V, class C, class R, class D >
   permutation_iterator(
@@ -46,36 +46,14 @@ public:
       , typename enable_if_convertible<OtherElementIterator, ElementIterator>::type* = 0
       , typename enable_if_convertible<OtherIndexIterator, IndexIterator>::type* = 0
       )
-      : super_t(r.base())
+    : super_t(r.base()), m_elt_iter(r.m_elt_iter)
   {}
 
 private:
     typename super_t::reference dereference() const
-        { return *(this->base() + *this->order_it_); }
-  
-    void increment() { ++this->order_it_; }
-    void decrement() { --this->order_it_; }
+        { return *(m_elt_iter + *this->base()); }
 
-    void advance(typename super_t::difference_type n)
-    {
-      std::advance( order_it_, n );
-    }
-
-    template<class OtherElementIterator, class OtherIndexIterator, class V, class C, class R, class D >
-    typename super_t::difference_type
-    distance_to( permutation_iterator<OtherElementIterator, OtherIndexIterator, V, C, R, D> const& y ) const
-    {
-      return std::distance( this->order_it_, y.order_it_ );
-    }
-
-    template<class OtherElementIterator, class OtherIndexIterator, class V, class C, class R, class D >
-    bool
-    equal( permutation_iterator<OtherElementIterator, OtherIndexIterator, V, C, R, D> const& y ) const
-    {
-      return( y.order_it_ == this->order_it_ );
-    }
-
-    IndexIterator order_it_;
+    ElementIterator m_elt_iter;
 };