diff --git a/include/boost/algorithm/string/compare.hpp b/include/boost/algorithm/string/compare.hpp
index e6610a9..bb15c80 100644
--- a/include/boost/algorithm/string/compare.hpp
+++ b/include/boost/algorithm/string/compare.hpp
@@ -144,7 +144,7 @@ namespace boost {
             template< typename T1, typename T2 >
                 bool operator()( const T1& Arg1, const T2& Arg2 ) const
             {
-                return Arg1>=Arg2;
+                return Arg1<=Arg2;
             }
         };
 
@@ -171,9 +171,9 @@ namespace boost {
                 bool operator()( const T1& Arg1, const T2& Arg2 ) const
             {
                 #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
-                    return std::toupper(Arg1)>=std::toupper(Arg2);
+                    return std::toupper(Arg1)<=std::toupper(Arg2);
                 #else
-                    return std::toupper(Arg1,m_Loc)>=std::toupper(Arg2,m_Loc);
+                    return std::toupper(Arg1,m_Loc)<=std::toupper(Arg2,m_Loc);
                 #endif
             }