diff --git a/browser_patches/checkout_build_archive_upload.sh b/browser_patches/checkout_build_archive_upload.sh
index 8972d524bd..7c8d2b077d 100755
--- a/browser_patches/checkout_build_archive_upload.sh
+++ b/browser_patches/checkout_build_archive_upload.sh
@@ -279,6 +279,12 @@ elif [[ "$BUILD_FLAVOR" == "webkit-mac-12" ]]; then
   EXPECTED_HOST_OS="Darwin"
   EXPECTED_HOST_OS_VERSION="12.1"
   BUILD_BLOB_NAME="webkit-mac-12.zip"
+elif [[ "$BUILD_FLAVOR" == "webkit-mac-12-arm64" ]]; then
+  BROWSER_NAME="webkit"
+  EXPECTED_HOST_OS="Darwin"
+  EXPECTED_HOST_OS_VERSION="12.1"
+  EXPECTED_ARCH="arm64"
+  BUILD_BLOB_NAME="webkit-mac-12-arm64.zip"
 elif [[ "$BUILD_FLAVOR" == "webkit-mac-11-arm64" ]]; then
   BROWSER_NAME="webkit"
   EXPECTED_HOST_OS="Darwin"
diff --git a/browser_patches/webkit/EXPECTED_BUILDS b/browser_patches/webkit/EXPECTED_BUILDS
index f9362bdf5d..c3013bfe31 100644
--- a/browser_patches/webkit/EXPECTED_BUILDS
+++ b/browser_patches/webkit/EXPECTED_BUILDS
@@ -4,5 +4,6 @@ webkit-ubuntu-20.04-arm64.zip
 webkit-mac-10.15.zip
 webkit-mac-11-arm64.zip
 webkit-mac-12.zip
+webkit-mac-12-arm64.zip
 webkit-win64.zip