diff --git a/vendor.cmake b/vendor.cmake
index 0c33d08..3f8a8a1 100644
--- a/vendor.cmake
+++ b/vendor.cmake
@@ -26,10 +26,18 @@ elseif (ANDROID OR IOS)
     else ()
         set(ARCH arm)
     endif ()
+elseif (APPLE)
+    if (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64")
+        set(ARCH x64)
+    elseif (CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
+        set(ARCH arm64)
+    else ()
+        set(ARCH x64)
+    endif ()
 else ()
     if (MSVC)
         string(TOLOWER ${MSVC_C_ARCHITECTURE_ID} ARCH)
-    elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR $CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
+    elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
         set(ARCH x64)
     elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
         set(ARCH arm64)