diff --git a/scripts/config.py b/scripts/config.py
index 8d07259..1df7675 100644
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -234,7 +234,7 @@ def is_v8_60():
   if ("windows" == base.host_platform()) and ("2015" == option("vs-version")):
     return True
 
-  if check_option("config", "use_v8"):
-    return True
+  #if check_option("config", "use_v8"):
+  #  return True
 
   return False
diff --git a/scripts/core_common/modules/v8_89.py b/scripts/core_common/modules/v8_89.py
index 7db13d6..51d9666 100644
--- a/scripts/core_common/modules/v8_89.py
+++ b/scripts/core_common/modules/v8_89.py
@@ -99,7 +99,10 @@ def make():
       os.chdir("v8")
       base.cmd("git", ["config", "--system", "core.longpaths", "true"])
       os.chdir("../")
-    base.cmd("./depot_tools/gclient", ["sync", "-r", "remotes/branch-heads/8.9"], True)
+    v8_branch_version = "remotes/branch-heads/8.9"
+    if ("mac" == base.host_platform()):
+      v8_branch_version = "remotes/branch-heads/9.9"
+    base.cmd("./depot_tools/gclient", ["sync", "-r", v8_branch_version], True)
     base.cmd("gclient", ["sync", "--force"], True)
     base.copy_dir("./v8/third_party_new/ninja", "./v8/third_party/ninja")