diff --git a/CMake/mitkFunctionGetMSVCVersion.cmake b/CMake/mitkFunctionGetMSVCVersion.cmake
index 75d46f6aa9..39f9de7417 100644
--- a/CMake/mitkFunctionGetMSVCVersion.cmake
+++ b/CMake/mitkFunctionGetMSVCVersion.cmake
@@ -1,20 +1,20 @@
 function(mitkFunctionGetMSVCVersion )
 
 if(MSVC)
   if(MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920)
     set(VISUAL_STUDIO_PRODUCT_NAME "Visual Studio 2017" PARENT_SCOPE)
     set(VISUAL_STUDIO_VERSION_MAJOR 14 PARENT_SCOPE)
     string(SUBSTRING ${MSVC_VERSION} 2 -1 version_minor)
     set(VISUAL_STUDIO_VERSION_MINOR ${version_minor} PARENT_SCOPE)
   else()
     message(WARNING "Unknown Visual Studio version ${MSVC_VERSION} (CMake/mitkFunctionGetMSVCVersion.cmake)")
   endif()
 
-  if("${CMAKE_GENERATOR}" MATCHES ".*Win64")
+  if(CMAKE_VS_PLATFORM_NAME STREQUAL x64)
     set(CMAKE_LIBRARY_ARCHITECTURE x64 PARENT_SCOPE)
   else()
     set(CMAKE_LIBRARY_ARCHITECTURE x86 PARENT_SCOPE)
   endif()
 endif()
 
 endfunction()