diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5996603..18480c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,10 +17,10 @@ if (APPLE)
         if(C74_BUILD_FAT)
             set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64" CACHE STRING "macOS architecture" FORCE)
         else()
-            set(CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "macOS architecture" FORCE)
+            set(CMAKE_OSX_ARCHITECTURES ${CMAKE_SYSTEM_PROCESSOR} CACHE STRING "macOS architecture" FORCE)
         endif()
+        message("CMAKE_OSX_ARCHITECTURES set to ${CMAKE_OSX_ARCHITECTURES}")
     endif()
-    message("CMAKE_OSX_ARCHITECTURES set to ${CMAKE_OSX_ARCHITECTURES}")
 endif()
 
 MACRO(SUBDIRLIST result curdir)