diff --git a/build.rs b/build.rs
index b9a01ba6..4b510ad4 100644
--- a/build.rs
+++ b/build.rs
@@ -85,6 +85,11 @@ fn build_v8() {
     gn_args.push("v8_enable_handle_zapping=false".to_string());
   }
 
+  // Fix GN's host_cpu detection when using x86_64 bins on Apple Silicon
+  if cfg!(target_os = "macos") && cfg!(target_arch = "aarch64") {
+    gn_args.push("host_cpu=\"arm64\"".to_string())
+  }
+
   if let Some(clang_base_path) = find_compatible_system_clang() {
     println!("clang_base_path {}", clang_base_path.display());
     gn_args.push(format!("clang_base_path={:?}", clang_base_path));