diff --git a/include/boost/range/detail/sizer.hpp b/include/boost/range/detail/sizer.hpp
index 5d75437..b4c1c91 100755
--- a/include/boost/range/detail/sizer.hpp
+++ b/include/boost/range/detail/sizer.hpp
@@ -25,12 +25,10 @@ namespace boost
     //////////////////////////////////////////////////////////////////////
     
     template< typename T, std::size_t sz >
-    char&
-    sizer( const T BOOST_RANGE_ARRAY_REF()[sz] )[sz];
+    char (& sizer( const T BOOST_RANGE_ARRAY_REF()[sz] ) )[sz];
     
     template< typename T, std::size_t sz >
-    char&
-    sizer( T BOOST_RANGE_ARRAY_REF()[sz] )[sz];
+    char (& sizer( T BOOST_RANGE_ARRAY_REF()[sz] ) )[sz];
 
 } // namespace 'boost'