diff --git a/include/boost/concept/detail/has_constraints.hpp b/include/boost/concept/detail/has_constraints.hpp
old mode 100755
new mode 100644
index 3112b55..9191181
--- a/include/boost/concept/detail/has_constraints.hpp
+++ b/include/boost/concept/detail/has_constraints.hpp
@@ -19,7 +19,7 @@ namespace detail
   template <class Model, void (Model::*)()>
   struct wrap_constraints {};
     
-#if BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580)
+#if BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580) || defined(__CUDACC__)
   // Work around the following bogus error in Sun Studio 11, by
   // turning off the has_constraints function entirely:
   //    Error: complex expression not allowed in dependent template