diff --git a/internal/graphicsdriver/metal/mtl/example_darwin_test.go b/internal/graphicsdriver/metal/mtl/example_darwin_test.go
index 91ee2bd55..581855cf7 100644
--- a/internal/graphicsdriver/metal/mtl/example_darwin_test.go
+++ b/internal/graphicsdriver/metal/mtl/example_darwin_test.go
@@ -39,9 +39,9 @@ func init() {
 }
 
 func Example_listDevices() {
-	device, ok := mtl.CreateSystemDefaultDevice()
-	if !ok {
-		log.Fatalln("Metal is not supported")
+	device, err := mtl.CreateSystemDefaultDevice()
+	if err != nil {
+		log.Fatal(err)
 	}
 	printJSON("preferred system default Metal device = ", device)
 
@@ -86,9 +86,9 @@ func printJSON(label string, v any) {
 }
 
 func Example_renderTriangle() {
-	device, ok := mtl.CreateSystemDefaultDevice()
-	if !ok {
-		log.Fatalln("Metal is not supported")
+	device, err := mtl.CreateSystemDefaultDevice()
+	if err != nil {
+		log.Fatal(err)
 	}
 
 	// Create a render pipeline state.
diff --git a/internal/graphicsdriver/metal/mtl/mtl_darwin_test.go b/internal/graphicsdriver/metal/mtl/mtl_darwin_test.go
index 0d8449ec5..4abc65c09 100644
--- a/internal/graphicsdriver/metal/mtl/mtl_darwin_test.go
+++ b/internal/graphicsdriver/metal/mtl/mtl_darwin_test.go
@@ -30,9 +30,9 @@ import (
 )
 
 func Disabled_TestRenderTriangle(t *testing.T) {
-	device, ok := mtl.CreateSystemDefaultDevice()
-	if !ok {
-		t.Fatal("Metal is not supported")
+	device, err := mtl.CreateSystemDefaultDevice()
+	if err != nil {
+		t.Fatal(err)
 	}
 
 	// Create a render pipeline state.