diff --git a/build/cmake/TargetArch.cmake b/build/cmake/TargetArch.cmake
index 026eace07..685820a3f 100644
--- a/build/cmake/TargetArch.cmake
+++ b/build/cmake/TargetArch.cmake
@@ -80,6 +80,8 @@ function(target_architecture output_var)
                 set(osx_arch_x86_64 TRUE)
             elseif("${osx_arch}" STREQUAL "ppc64" AND ppc_support)
                 set(osx_arch_ppc64 TRUE)
+            elseif("${osx_arch}" STREQUAL "arm64")
+                set(osx_arch_arm64 TRUE)
             else()
                 message(FATAL_ERROR "Invalid OS X arch name: ${osx_arch}")
             endif()
@@ -101,6 +103,10 @@ function(target_architecture output_var)
         if(osx_arch_ppc64)
             list(APPEND ARCH ppc64)
         endif()
+
+        if(osx_arch_arm64)
+            list(APPEND ARCH arm64)
+        endif()
     else()
         file(WRITE "${CMAKE_BINARY_DIR}/arch.c" "${archdetect_c_code}")