diff --git a/include/boost/type_traits/is_enum.hpp b/include/boost/type_traits/is_enum.hpp
index 8102181..2426773 100644
--- a/include/boost/type_traits/is_enum.hpp
+++ b/include/boost/type_traits/is_enum.hpp
@@ -111,7 +111,7 @@ BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_enum,void const volatile,false)
 //
 // buggy is_convertible prevents working 
 // implementation of is_enum:
-BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_enum,T,BOOST_IS_ENUM(T))
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_enum,T,false)
 
 #endif