diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99ad37b6b..cd7b2028c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -92,7 +92,7 @@ jobs:
           path: ./build/plugin_luajit/**/*
           name: plugin_luajit
   osx:
-    runs-on: macos-10.15
+    runs-on: macos-11
 
     steps:
       - uses: actions/checkout@v2
diff --git a/build/make_osx_silicon_lua53.sh b/build/make_osx_silicon_lua53.sh
index 7b7fa898f..b76878498 100755
--- a/build/make_osx_silicon_lua53.sh
+++ b/build/make_osx_silicon_lua53.sh
@@ -1,7 +1,7 @@
 mkdir -p build_osx_silicon && cd build_osx_silicon
-cmake -GXcode ../
+cmake -DBUILD_SILICON=ON -GXcode ../
 cd ..
-cmake -DBUILD_SILICON=ON --build build_osx_silicon --config Release
+cmake --build build_osx_silicon --config Release
 mkdir -p plugin_lua53/Plugins/arm64/
 cp build_osx_silicon/Release/libxlua.dylib plugin_lua53/Plugins/arm64/