16-bit DICOM incorrectly identified as 32-bit

CMakeLists.txt

cmake_minimum_required(VERSION 3.1.0)

project(SITKTests)

find_package(SimpleITK QUIET)

add_executable(pixelTypeTest pixelTypeTest.cpp)

target_link_libraries(pixelTypeTest ${SimpleITK_LIBRARIES})

pixelTypeTest.cpp

#include <SimpleITK.h>
#include <iostream>

namespace sitk = itk::simple;

// usage: pixelTypeTest [/directory/containing/dicom/images/]
int main ( int argc, char* argv[] ) 
{
    sitk::ImageSeriesReader reader;
    reader.SetFileNames(sitk::ImageSeriesReader::GetGDCMSeriesFileNames(argv[1]));

    sitk::Image image = reader.Execute();

    std::cout << image.GetPixelID() << std::endl;

    return 0;
}