diff --git a/scripts/build_runtime.py b/scripts/build_runtime.py
index 80d7a3b..1afea6c 100644
--- a/scripts/build_runtime.py
+++ b/scripts/build_runtime.py
@@ -332,7 +332,7 @@ def verify_angle():
     elif platform.system() == "Darwin":
         if platform.machine() == "arm64":
             log_warning(f"automated ANGLE builds are not yet available for Apple silicon")
-            return
+            return False
         checkfiles = [
             "milepost/lib/libEGL.dylib",
             "milepost/lib/libGLESv2.dylib",
diff --git a/scripts/checksums.json b/scripts/checksums.json
index 6ce9243..3b28389 100644
--- a/scripts/checksums.json
+++ b/scripts/checksums.json
@@ -1,6 +1,6 @@
 {
     "scripts/files/angle-windows-2019-2023-07-05.zip": "a333b5ccc8462151ee8df65c43cfacd70d9db2413f2e495da65670737b5b2d96",
-    "scripts/files/angle-mac-2023-07-05.zip": "a3422c456278ff037ef89a7808e0ba256d972d4832d5272fc3d4aa4f7912c1e0",
+    "scripts/files/angle-macos-12-2023-07-05.zip": "a3422c456278ff037ef89a7808e0ba256d972d4832d5272fc3d4aa4f7912c1e0",
     "milepost/lib/libEGL.dll": "b7bf51f83e88129ddc20c0c2cb904ec04c89059a30a2cd29b9b1ea11c80388fb",
     "milepost/lib/libEGL.dll.lib": "4cec54c534136da413dea86bd271ccb9c5ae88e40aa91d1de7a01e701be8e1d7",
     "milepost/lib/libGLESv2.dll": "193b53b0a16b702eaa28a73e84527acf7aecfd665e3e3f54a8d9db9ae73111e1",