diff --git a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
index 071899382..76bf2d96c 100755
--- a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
+++ b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
@@ -657,17 +657,17 @@ EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(acos,
 EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(tanh,
   using std::cosh;
   using std::tanh;
-  return ReturnType(tanh(x.value()),x.derivatives() * (Scalar(1)/numext::abs2(cosh(x.value()))));)
+  return Eigen::MakeAutoDiffScalar(tanh(x.value()),x.derivatives() * (Scalar(1)/numext::abs2(cosh(x.value()))));)
 
 EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(sinh,
   using std::sinh;
   using std::cosh;
-  return ReturnType(sinh(x.value()),x.derivatives() * cosh(x.value()));)
+  return Eigen::MakeAutoDiffScalar(sinh(x.value()),x.derivatives() * cosh(x.value()));)
 
 EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(cosh,
   using std::sinh;
   using std::cosh;
-  return ReturnType(cosh(x.value()),x.derivatives() * sinh(x.value()));)
+  return Eigen::MakeAutoDiffScalar(cosh(x.value()),x.derivatives() * sinh(x.value()));)
 
 #undef EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY