diff --git a/backend/go/stablediffusion-ggml/Makefile b/backend/go/stablediffusion-ggml/Makefile
index ce5c7df3b..6b5036415 100644
--- a/backend/go/stablediffusion-ggml/Makefile
+++ b/backend/go/stablediffusion-ggml/Makefile
@@ -42,13 +42,9 @@ else ifeq ($(BUILD_TYPE),hipblas)
 	CMAKE_ARGS+=-DSD_HIPBLAS=ON -DGGML_HIPBLAS=ON -DAMDGPU_TARGETS=$(AMDGPU_TARGETS)
 else ifeq ($(BUILD_TYPE),vulkan)
 	CMAKE_ARGS+=-DSD_VULKAN=ON -DGGML_VULKAN=ON
-else ifeq ($(OS),Darwin)
-	ifneq ($(BUILD_TYPE),metal)
-		CMAKE_ARGS+=-DSD_METAL=OFF -DGGML_METAL=OFF
-	else
-		CMAKE_ARGS+=-DSD_METAL=ON -DGGML_METAL=ON
-		CMAKE_ARGS+=-DGGML_METAL_EMBED_LIBRARY=ON
-	endif
+else ifeq ($(BUILD_TYPE),metal)
+	CMAKE_ARGS+=-DSD_METAL=ON -DGGML_METAL=ON
+	CMAKE_ARGS+=-DGGML_METAL_EMBED_LIBRARY=ON
 endif
 
 ifeq ($(BUILD_TYPE),sycl_f16)
@@ -72,7 +68,6 @@ sources/stablediffusion-ggml.cpp:
 	git checkout $(STABLEDIFFUSION_GGML_VERSION) && \
 	git submodule update --init --recursive --depth 1 --single-branch
 
-# Detect OS
 UNAME_S := $(shell uname -s)
 
 # Only build CPU variants on Linux
@@ -134,4 +129,4 @@ libgosd-custom: CMakeLists.txt cpp/gosd.cpp cpp/gosd.h
 	(mv build-$(SO_TARGET)/libgosd.so ./$(SO_TARGET) 2>/dev/null || \
 	 mv build-$(SO_TARGET)/libgosd.dylib ./$(SO_TARGET) 2>/dev/null)
 
-all: stablediffusion-ggml package
\ No newline at end of file
+all: stablediffusion-ggml package
diff --git a/scripts/build/stablediffusion-metal-build_test.sh b/scripts/build/stablediffusion-metal-build_test.sh
new file mode 100644
index 000000000..80fdb2379
--- /dev/null
+++ b/scripts/build/stablediffusion-metal-build_test.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CURDIR=$(dirname "$(realpath "$0")")
+BACKEND_DIR="$CURDIR/../../backend/go/stablediffusion-ggml"
+
+build_commands=$(make -Bn -C "$BACKEND_DIR" \
+  BUILD_TYPE=metal \
+  libgosd-fallback.so)
+
+for expected_flag in \
+  -DSD_METAL=ON \
+  -DGGML_METAL=ON \
+  -DGGML_METAL_EMBED_LIBRARY=ON; do
+  if ! grep -Fq -- "$expected_flag" <<<"$build_commands"; then
+    echo "FAIL: Darwin Metal build omitted $expected_flag"
+    exit 1
+  fi
+done
+
+echo "PASS: stablediffusion-ggml embeds its Darwin Metal library"