diff --git a/include/boost/type_traits/is_member_pointer.hpp b/include/boost/type_traits/is_member_pointer.hpp
index cdf3d6a..ba02b89 100644
--- a/include/boost/type_traits/is_member_pointer.hpp
+++ b/include/boost/type_traits/is_member_pointer.hpp
@@ -50,7 +50,7 @@ BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,
 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::is_member_function_pointer<T>::value)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true)
 
-#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003)
+#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003) && !BOOST_WORKAROUND(__IBMCPP__, <=600)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*volatile,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const volatile,true)