diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
index a48cb1daa..c2a327bf0 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
@@ -131,7 +131,7 @@ double loadConstant(const double* address) {
 }
 template <> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
 Eigen::half loadConstant(const Eigen::half* address) {
-  return Eigen::half(internal::raw_uint16_to_half(__ldg(&address->x)));
+  return Eigen::half(half_impl::raw_uint16_to_half(__ldg(&address->x)));
 }
 #endif
 }