diff --git a/include/boost/compute/type_traits/is_fundamental.hpp b/include/boost/compute/type_traits/is_fundamental.hpp
index daa19773..fc8f266c 100644
--- a/include/boost/compute/type_traits/is_fundamental.hpp
+++ b/include/boost/compute/type_traits/is_fundamental.hpp
@@ -33,7 +33,11 @@ struct is_fundamental : public boost::false_type {};
     template<> struct is_fundamental<BOOST_PP_CAT(BOOST_PP_CAT(type, 2), _)> : boost::true_type {}; \
     template<> struct is_fundamental<BOOST_PP_CAT(BOOST_PP_CAT(type, 4), _)> : boost::true_type {}; \
     template<> struct is_fundamental<BOOST_PP_CAT(BOOST_PP_CAT(type, 8), _)> : boost::true_type {}; \
-    template<> struct is_fundamental<BOOST_PP_CAT(BOOST_PP_CAT(type, 16), _)> : boost::true_type {};
+    template<> struct is_fundamental<BOOST_PP_CAT(BOOST_PP_CAT(type, 16), _)> : boost::true_type {}; \
+    template<> struct is_fundamental<BOOST_PP_CAT(cl_, BOOST_PP_CAT(type, 2))> : boost::true_type {}; \
+    template<> struct is_fundamental<BOOST_PP_CAT(cl_, BOOST_PP_CAT(type, 4))> : boost::true_type {}; \
+    template<> struct is_fundamental<BOOST_PP_CAT(cl_, BOOST_PP_CAT(type, 8))> : boost::true_type {}; \
+    template<> struct is_fundamental<BOOST_PP_CAT(cl_, BOOST_PP_CAT(type, 16))> : boost::true_type {};
 
 BOOST_COMPUTE_DETAIL_DECLARE_FUNDAMENTAL(char)
 BOOST_COMPUTE_DETAIL_DECLARE_FUNDAMENTAL(uchar)