diff --git a/CMakeExternals/OpenIGTLink.cmake b/CMakeExternals/OpenIGTLink.cmake
index 5da8a3e2cb..22651d1279 100644
--- a/CMakeExternals/OpenIGTLink.cmake
+++ b/CMakeExternals/OpenIGTLink.cmake
@@ -1,57 +1,56 @@
 #-----------------------------------------------------------------------------
 # OpenIGTLink
 #-----------------------------------------------------------------------------
 if(MITK_USE_OpenIGTLink)
 
   # Sanity checks
   if(DEFINED OpenIGTLink_DIR AND NOT EXISTS ${OpenIGTLink_DIR})
     message(FATAL_ERROR "OpenIGTLink_DIR variable is defined but corresponds to non-existing directory")
   endif()
 
   set(proj OpenIGTLink)
   set(proj_DEPENDENCIES )
   set(${proj}_DEPENDS ${proj})
 
   if(NOT DEFINED OpenIGTLink_DIR)
 
     set(additional_cmake_args )
     if(MINGW)
       set(additional_cmake_args
           -DCMAKE_USE_WIN32_THREADS:BOOL=ON
           -DCMAKE_USE_PTHREADS:BOOL=OFF)
     endif()
 
     if(CTEST_USE_LAUNCHERS)
       list(APPEND additional_cmake_args
         "-DCMAKE_PROJECT_${proj}_INCLUDE:FILEPATH=${CMAKE_ROOT}/Modules/CTestUseLaunchers.cmake"
       )
     endif()
 
     ExternalProject_Add(${proj}
-       URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/OpenIGTLink-54df50de.tar.gz
-       URL_MD5 b9fd8351b059f4ec615f2dfd74ab2458
-       PATCH_COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/OpenIGTLink-54df50de.patch
+       URL https://github.com/openigtlink/OpenIGTLink/archive/v2.1.tar.gz
+       # PATCH_COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/OpenIGTLink-54df50de.patch
        CMAKE_GENERATOR ${gen}
        CMAKE_ARGS
          ${ep_common_args}
          ${additional_cmake_args}
          -DBUILD_EXAMPLES:BOOL=OFF
          -DOpenIGTLink_PROTOCOL_VERSION_2:BOOL=ON
          -DOpenIGTLink_INSTALL_LIB_DIR:STRING=lib
          -DOpenIGTLink_INSTALL_PACKAGE_DIR:STRING=lib/cmake/OpenIGTLink
          -DOpenIGTLink_INSTALL_NO_DOCUMENTATION:BOOL=ON
        CMAKE_CACHE_ARGS
          ${ep_common_cache_args}
        CMAKE_CACHE_DEFAULT_ARGS
          ${ep_common_cache_default_args}
        DEPENDS ${proj_DEPENDENCIES}
       )
 
     set(OpenIGTLink_DIR "${ep_prefix}/lib/cmake/OpenIGTLink")
 
   else()
 
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
   endif()
 endif()