diff --git a/CMakeExternals/Numpy.cmake b/CMakeExternals/Numpy.cmake
index 3e47b245d5..dffe0fc642 100644
--- a/CMakeExternals/Numpy.cmake
+++ b/CMakeExternals/Numpy.cmake
@@ -1,97 +1,100 @@
 #-----------------------------------------------------------------------------
 # Numpy
 #-----------------------------------------------------------------------------
 if( MITK_USE_Python AND NOT MITK_USE_SYSTEM_PYTHON )
   # Sanity checks
   if(DEFINED Numpy_DIR AND NOT EXISTS ${Numpy_DIR})
     message(FATAL_ERROR "Numpy_DIR variable is defined but corresponds to non-existing directory")
   endif()
 
   if( NOT DEFINED Numpy_DIR )
     set(proj Numpy)
     set(${proj}_DEPENDENCIES Python)
     set(Numpy_DEPENDS ${proj})
 
     # setup build environment and disable fortran, blas and lapack
     set(_numpy_env
         "
         set(ENV{F77} \"\")
         set(ENV{F90} \"\")
         set(ENV{FFLAGS} \"\")
         set(ENV{ATLAS} \"None\")
         set(ENV{BLAS} \"None\")
         set(ENV{LAPACK} \"None\")
         set(ENV{MKL} \"None\")
         set(ENV{VS_UNICODE_OUTPUT} \"\")
         set(ENV{CC} \"${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}\")
         set(ENV{CFLAGS} \"${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_RELEASE}\")
         set(ENV{CXX} \"${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}\")
         set(ENV{CXXFLAGS} \"${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}\")
         set(ENV{LDFLAGS} \"${CMAKE_LINKER_FLAGS} ${CMAKE_LINKER_FLAGS_RELEASE}\")
 
         ")
 
     set(_numpy_build_step ${MITK_SOURCE_DIR}/CMake/mitkFunctionExternalPythonBuildStep.cmake)
 
     set(_configure_step ${CMAKE_BINARY_DIR}/${proj}-cmake/${proj}_configure_step.cmake)
     file(WRITE ${_configure_step}
        "${_numpy_env}
         include(\"${_numpy_build_step}\")
         file(WRITE \"${CMAKE_BINARY_DIR}/${proj}-src/site.cfg\" \"\")
         mitkFunctionExternalPythonBuildStep(${proj} configure \"${PYTHON_EXECUTABLE}\" \"${CMAKE_BINARY_DIR}\" setup.py config)
        ")
 
     # build step
     set(_build_step ${CMAKE_BINARY_DIR}/${proj}-cmake/${proj}_build_step.cmake)
     file(WRITE ${_build_step}
        "${_numpy_env}
         include(\"${_numpy_build_step}\")
         mitkFunctionExternalPythonBuildStep(${proj} build \"${PYTHON_EXECUTABLE}\" \"${CMAKE_BINARY_DIR}\" setup.py build --fcompiler=none)
        ")
 
     # install step
     set(_install_dir "${Python_DIR}")
     if(WIN32)
       STRING(REPLACE "/" "\\\\" _install_dir ${Python_DIR})
     endif()
     # escape spaces in install path
     STRING(REPLACE " " "\\ " _install_dir ${_install_dir})
 
     set(_install_step ${CMAKE_BINARY_DIR}/${proj}-cmake/${proj}_install_step.cmake)
     file(WRITE ${_install_step}
        "${_numpy_env}
         include(\"${_numpy_build_step}\")
         mitkFunctionExternalPythonBuildStep(${proj} install \"${PYTHON_EXECUTABLE}\" \"${CMAKE_BINARY_DIR}\" setup.py install --prefix=${_install_dir})
        ")
 
     set(Numpy_URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/numpy-1.4.1.tar.gz)
     set(Numpy_MD5 "5c7b5349dc3161763f7f366ceb96516b")
 
     # escape spaces
     if(UNIX)
       STRING(REPLACE " " "\ " _configure_step ${_configure_step})
       STRING(REPLACE " " "\ " _build_step ${_build_step})
       STRING(REPLACE " " "\ " _install_step ${_install_step})
     endif()
 
+    set(NUMPY_PATCH_COMMAND PATCH_COMMAND ${CMAKE_COMMAND} -DTEMPLATE_FILE:FILEPATH=${MITK_SOURCE_DIR}/CMakeExternals/EmptyFileForPatching.dummy -P ${CMAKE_CURRENT_LIST_DIR}/Patch${proj}.cmake)
+
     ExternalProject_Add(${proj}
       URL ${Numpy_URL}
       URL_MD5 ${Numpy_MD5}
       SOURCE_DIR ${proj}-src
+      ${NUMPY_PATCH_COMMAND}
       PREFIX ${proj}-cmake
       BUILD_IN_SOURCE 1
       CONFIGURE_COMMAND ${CMAKE_COMMAND} -P ${_configure_step}
       BUILD_COMMAND   ${CMAKE_COMMAND} -P ${_build_step}
       INSTALL_COMMAND ${CMAKE_COMMAND} -P ${_install_step}
 
       DEPENDS
         ${${proj}_DEPENDENCIES}
     )
 
     set(Numpy_DIR ${MITK_PYTHON_SITE_DIR}/numpy)
 
   else()
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   endif()
 endif()
 
diff --git a/CMakeExternals/PatchNumpy.cmake b/CMakeExternals/PatchNumpy.cmake
new file mode 100644
index 0000000000..44d0f0cc8d
--- /dev/null
+++ b/CMakeExternals/PatchNumpy.cmake
@@ -0,0 +1,7 @@
+if(WIN32)
+  set(path "numpy/core/setup_common.py")
+  file(STRINGS ${path} contents NEWLINE_CONSUME)
+  string(REPLACE "fid = open(filename, 'r')" "fid = open(filename, 'rb')" contents ${contents})
+  set(CONTENTS ${contents})
+  configure_file(${TEMPLATE_FILE} ${path} @ONLY)
+endif()
diff --git a/CMakeExternals/PatchPython.cmake b/CMakeExternals/PatchPython.cmake
index e06eac984c..770f51c805 100644
--- a/CMakeExternals/PatchPython.cmake
+++ b/CMakeExternals/PatchPython.cmake
@@ -1,9 +1,19 @@
 #
 #  Windows python 2.7.3 patches for the CMake build system
 #  https://github.com/davidsansome/python-cmake-buildsystem/tree/master/cmake/patches-win32
 #
 set(path "Lib/distutils/msvc9compiler.py")
 file(STRINGS ${path} contents NEWLINE_CONSUME)
 string(REPLACE "self.manifest_get_embed_info(target_desc, ld_args)" "None" contents ${contents})
 set(CONTENTS ${contents})
 configure_file(${TEMPLATE_FILE} ${path} @ONLY)
+
+set(path "Lib/distutils/cygwinccompiler.py")
+file(STRINGS ${path} contents NEWLINE_CONSUME)
+string(REPLACE "return ['msvcr90']" "return ['msvcr90']
+        elif msc_ver == '1600':
+            return ['msvcr100']
+        elif msc_ver == '1700':
+            return ['msvcr120']" contents ${contents})
+set(CONTENTS ${contents})
+configure_file(${TEMPLATE_FILE} ${path} @ONLY)