diff --git a/CMakeLists.txt b/CMakeLists.txt
index 238c88a3d..0cf9977ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -472,7 +472,7 @@ if (NOT MSVC)
     endif()
 endif()
 
-if (${CMAKE_GENERATOR_PLATFORM_LWR} MATCHES "arm" OR ${CMAKE_GENERATOR_PLATFORM_LWR} MATCHES "arm64" OR ${CMAKE_GENERATOR_PLATFORM_LWR} MATCHES "aarch64")
+if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64" OR ${CMAKE_GENERATOR_PLATFORM_LWR} MATCHES "arm64")
     message(STATUS "ARM detected")
     if (MSVC)
         # TODO: arm msvc?