diff --git a/tomls/pyproject_metal.toml b/tomls/pyproject_metal.toml
index 6154b613..584ebf07 100644
--- a/tomls/pyproject_metal.toml
+++ b/tomls/pyproject_metal.toml
@@ -81,7 +81,7 @@ build.verbose = true
 cmake.build-type = "Release"
 cmake.version = ">=3.16"
 cmake.args = [
-    "-DGGML_METAL=ON"
+    "-DGGML_METAL=ON",
     "-DSD_METAL=ON",
     "-DCMAKE_OSX_ARCHITECTURES=arm64",
     "-DCMAKE_APPLE_SILICON_PROCESSOR=arm64"