diff --git a/llama/ggml-metal.m b/llama/ggml-metal.m
index e20b6dde..599db35b 100644
--- a/llama/ggml-metal.m
+++ b/llama/ggml-metal.m
@@ -1,4 +1,4 @@
-// go:build darwin arm64
+// go:build darwin && arm64
 
 /**
  * llama.cpp - git 059031b8c40e1f4ba60586842c5b1ed3ddf61842
diff --git a/scripts/sync_llama.sh b/scripts/sync_llama.sh
index 3ab6eeb7..a1a863ad 100755
--- a/scripts/sync_llama.sh
+++ b/scripts/sync_llama.sh
@@ -77,7 +77,7 @@ for IN in $dst_dir/*.{c,h,cpp,m,metal,cu}; do
 done
 
 # ggml-metal
-sed -i '' '1s;^;// go:build darwin arm64\n\n;' $dst_dir/ggml-metal.m
+sed -i '' '1s;^;// go:build darwin && arm64\n\n;' $dst_dir/ggml-metal.m
 sed -e '/#include "ggml-common.h"/r ggml-common.h' -e '/#include "ggml-common.h"/d' < $dst_dir/ggml-metal.metal > temp.metal
 TEMP_ASSEMBLY=$(mktemp)
 echo ".section __DATA, __ggml_metallib"   >  $TEMP_ASSEMBLY