diff --git a/Lib/csharp/std_complex.i b/Lib/csharp/std_complex.i
index b5bdec60d..323b97a59 100644
--- a/Lib/csharp/std_complex.i
+++ b/Lib/csharp/std_complex.i
@@ -4,6 +4,8 @@
 
 namespace std {
 
+%naturalvar complex;
+
 // An extremely simplified subset of std::complex<> which contains just the
 // methods we need.
 template<typename T>
@@ -19,28 +21,28 @@ public:
 } // namespace std
 
 %define swig_complex_typemaps(T)
-%typemap(cstype) std::complex<T>, std::complex<T>*, const std::complex<T>& "System.Numerics.Complex"
+%typemap(cstype) std::complex<T>, const std::complex<T>& "System.Numerics.Complex"
 
 // The casts in "pre" are needed in order to allow creating std::complex<float>
 // from System.Numerics.Complex, which always uses doubles. It relies on the
 // fact that the name of the C++ and C# float/double types are the same.
 %typemap(csin,
          pre="    var cpp$csinput = new Complex_" #T "((" #T ")$csinput.Real, (" #T ")$csinput.Imaginary);"
-        ) std::complex<T>, std::complex<T>*, const std::complex<T>& "Complex_" #T ".getCPtr(cpp$csinput)"
+        ) std::complex<T>, const std::complex<T>& "Complex_" #T ".getCPtr(cpp$csinput)"
 
 %typemap(csout, excode=SWIGEXCODE) std::complex<T>, const std::complex<T>& {
     Complex_##T cppret = new Complex_##T($imcall, $owner);$excode
     return new System.Numerics.Complex(cppret.real(), cppret.imag());
   }
 
-%typemap(csvarin, excode=SWIGEXCODE2) std::complex<T>*, const std::complex<T>& %{
+%typemap(csvarin, excode=SWIGEXCODE2) const std::complex<T>& %{
     set {
       var cppvalue = new Complex_##T((T)value.Real, (T)value.Imaginary);
       $imcall;$excode
     }
   %}
 
-%typemap(csvarout, excode=SWIGEXCODE2) std::complex<T>*, const std::complex<T>& %{
+%typemap(csvarout, excode=SWIGEXCODE2) const std::complex<T>& %{
     get {
       var cppret = new Complex_##T($imcall, $owner);$excode
       return new System.Numerics.Complex(cppret.real(), cppret.imag());