diff --git a/include/xtensor/xmath.hpp b/include/xtensor/xmath.hpp
index d31adbdf7..da33a47bc 100644
--- a/include/xtensor/xmath.hpp
+++ b/include/xtensor/xmath.hpp
@@ -3048,7 +3048,7 @@ namespace detail {
         }
 
         template <class E1, class E2>
-        inline auto convolve_impl(E1&& e1, E2&& e2, convolve_mode::full mode)
+        inline auto convolve_impl(E1&& e1, E2&& e2, convolve_mode::full)
         {
             using value_type = typename std::decay<E1>::type::value_type;