diff --git a/include/boost/preprocessor/config/config.hpp b/include/boost/preprocessor/config/config.hpp
index 2c1e72f..7abaaf0 100644
--- a/include/boost/preprocessor/config/config.hpp
+++ b/include/boost/preprocessor/config/config.hpp
@@ -80,7 +80,7 @@
 # if !defined BOOST_PP_VARIADICS
 #    /* variadic support explicitly disabled for all untested compilers */
 
-#    if defined __GCCXML__ || defined __CUDACC__ || defined __PATHSCALE__ || defined __DMC__ || defined __CODEGEARC__ || defined __BORLANDC__ || defined __MWERKS__ || ( defined __SUNPRO_CC && __SUNPRO_CC < 0x5120 ) || defined __HP_aCC && !defined __EDG__ || defined __MRC__ || defined __SC__ || (defined(__PGI) && !defined(__EDG__))
+#    if defined __GCCXML__ || (defined __CUDACC__ && !(defined(__clang__) && defined(__CUDA__))) || defined __PATHSCALE__ || defined __DMC__ || defined __CODEGEARC__ || defined __BORLANDC__ || defined __MWERKS__ || ( defined __SUNPRO_CC && __SUNPRO_CC < 0x5120 ) || (defined __HP_aCC && !defined __EDG__) || defined __MRC__ || defined __SC__ || (defined(__PGI) && !defined(__EDG__))
 #        define BOOST_PP_VARIADICS 0
 #    elif defined(_MSC_VER) && defined(__clang__)
 #        define BOOST_PP_VARIADICS 1
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index e12d73a..38ebc88 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -247,3 +247,13 @@ alias preprocessor_config
    :   
         [ run config_info.cpp ]
   ;
+  
+alias clang_cuda
+   :   
+        [ compile clang_cuda.cu 
+          : <cxxflags>--cuda-gpu-arch=sm_20
+          : clang_cuda_cu
+        ]
+  ;
+
+explicit clang_cuda ;
diff --git a/test/clang_cuda.cu b/test/clang_cuda.cu
new file mode 100644
index 0000000..e2fd6d1
--- /dev/null
+++ b/test/clang_cuda.cu
@@ -0,0 +1,29 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2019.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <boost/preprocessor/cat.hpp>
+#
+# define BEGIN typedef int BOOST_PP_CAT(test_, __LINE__)[((
+# define END )==1) ? 1 : -1];
+
+#if defined(__clang__) && defined(__CUDACC__) && defined(__CUDA__)
+
+BEGIN BOOST_PP_VARIADICS == 1 END
+
+#else
+
+BEGIN 0 == 1 END
+
+#endif
+
+int main(void) {
+    return 0;
+}