diff --git a/include/boost/graph/adjacency_list.hpp b/include/boost/graph/adjacency_list.hpp
index d66e63e1..6ed9166c 100644
--- a/include/boost/graph/adjacency_list.hpp
+++ b/include/boost/graph/adjacency_list.hpp
@@ -393,7 +393,7 @@ namespace boost {
                           const GraphProperty& p = GraphProperty())
       : Base(num_vertices), m_property(p) { }
 
-#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
+#if !defined(BOOST_MSVC) || BOOST_MSVC >= 1300
     // Required by Iterator Constructible Graph
     template <class EdgeIterator>
     inline adjacency_list(EdgeIterator first, EdgeIterator last,