diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bd4be4e4c..bbcc6cd73 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -285,7 +285,7 @@ jobs:
         run: |
           ./install_deps.sh
           mkdir build && cd build
-          cmake -DLLAMA_METAL_EMBED_LIBRARY=ON -DWHISPER_COREML=1 -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
+          cmake  -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
           CC=gcc-8 make -j $(sysctl -n hw.ncpu)
           ls -la
 
@@ -352,7 +352,7 @@ jobs:
         run: |
           ./install_deps.sh
           mkdir build && cd build
-          cmake -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} -DLLAMA_METAL=OFF .. 
+          cmake  -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
           CC=gcc-8 make -j $(sysctl -n hw.ncp)
           ls -la
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 181cf35a2..3aa6b716d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,6 +42,17 @@ if(NOT DEFINED NITRO_VERSION)
   set(NITRO_VERSION "default_version")
 endif()
 
+if(APPLE)
+  if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm.*|ARM64)$")
+    # MacOS silicon
+    set(LLAMA_METAL_EMBED_LIBRARY ON)
+    set(WHISPER_COREML 1)
+  else()
+    # MacOS amd64
+    set(LLAMA_METAL OFF)
+  endif()
+endif()
+
 add_compile_definitions(NITRO_VERSION="${NITRO_VERSION}")
 
 add_subdirectory(llama.cpp/examples/llava)