diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31903cb4ff..7d2e9d89e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -723,7 +723,20 @@ else()
   set(ZIG2_LINK_FLAGS "-Wl,-z,stack-size=0x10000000")
 endif()
 
-string(TOLOWER "${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM_NAME}" HOST_TARGET_TRIPLE)
+if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "AMD64")
+  set(HOST_TARGET_ARCH "x86_64")
+elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")
+  set(HOST_TARGET_ARCH "aarch64")
+else()
+  string(TOLOWER "${CMAKE_HOST_SYSTEM_PROCESSOR}" HOST_TARGET_ARCH)
+endif()
+if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
+  set(HOST_TARGET_OS "macos")
+else()
+  string(TOLOWER "${CMAKE_HOST_SYSTEM_NAME}" HOST_TARGET_OS)
+endif()
+set(HOST_TARGET_TRIPLE "${HOST_TARGET_ARCH}-${HOST_TARGET_OS}")
+
 set(ZIG1_WASM_SOURCE "${CMAKE_SOURCE_DIR}/stage1/zig1.wasm.zst")
 set(ZIG1_C_SOURCE "${CMAKE_BINARY_DIR}/zig1.c")
 set(ZIG2_C_SOURCE "${CMAKE_BINARY_DIR}/zig2.c")