diff --git a/.cninja/macos-release.cmake b/.cninja/macos-release.cmake
index 87a483f0f1..bf98937649 100644
--- a/.cninja/macos-release.cmake
+++ b/.cninja/macos-release.cmake
@@ -14,7 +14,7 @@ set_cache(CMAKE_OSX_SYSROOT "${XCODE_PATH}/Platforms/MacOSX.platform/Developer/S
 string(APPEND CMAKE_C_FLAGS_INIT " -march=core2 -mtune=cannonlake -msse4.1 -msse4.2 ")
 string(APPEND CMAKE_CXX_FLAGS_INIT " -march=core2 -mtune=cannonlake -msse4.1 -msse4.2 ")
 
-set_cache(KFR_ARCH sse42)
+set_cache(KFR_ARCH sse2)
 set_cache(BUILD_SHARED_LIBS OFF)
 set_cache(CMAKE_INSTALL_MESSAGE NEVER)