diff --git a/include/boost/container/scoped_allocator.hpp b/include/boost/container/scoped_allocator.hpp
index e594959..d16ac37 100644
--- a/include/boost/container/scoped_allocator.hpp
+++ b/include/boost/container/scoped_allocator.hpp
@@ -17,7 +17,7 @@
 #ifndef BOOST_CONTAINER_ALLOCATOR_SCOPED_ALLOCATOR_HPP
 #define BOOST_CONTAINER_ALLOCATOR_SCOPED_ALLOCATOR_HPP
 
-#if (defined MSC_VER) && (_MSC_VER >= 1200)
+#if defined (_MSC_VER)
 #  pragma once
 #endif
 
diff --git a/include/boost/container/scoped_allocator_fwd.hpp b/include/boost/container/scoped_allocator_fwd.hpp
index ef24799..4c066b0 100644
--- a/include/boost/container/scoped_allocator_fwd.hpp
+++ b/include/boost/container/scoped_allocator_fwd.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_CONTAINER_ALLOCATOR_SCOPED_ALLOCATOR_FWD_HPP
 #define BOOST_CONTAINER_ALLOCATOR_SCOPED_ALLOCATOR_FWD_HPP
 
-#if (defined MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 #  pragma once
 #endif