diff --git a/doc.go b/doc.go
index 9d1dce203..d33815118 100644
--- a/doc.go
+++ b/doc.go
@@ -83,7 +83,7 @@
 //
 // `EBITENGINE_DIRECTX_FEATURE_LEVEL` environment variable specifies DirectX feature level.
 // The possible values are "11_0", "11_1", "12_0", "12_1", and "12_2".
-// The default value is "12_0".
+// The default value is "11_0".
 //
 // `EBITENGINE_OPENGL` environment variable specifies various parameters for OpenGL.
 // You can specify multiple values separated by a comma. The default value is empty (i.e. no parameters).
diff --git a/internal/graphicsdriver/directx/graphics_windows.go b/internal/graphicsdriver/directx/graphics_windows.go
index 34598a236..ba90579fd 100644
--- a/internal/graphicsdriver/directx/graphics_windows.go
+++ b/internal/graphicsdriver/directx/graphics_windows.go
@@ -173,9 +173,9 @@ func (g *Graphics) initialize() (ferr error) {
 		}
 	}
 
-	// Ebitengine itself doesn't require the features level 12 and 11 should be enough,
-	// but some old cards don't work well (#2447). Specify the level 12 by default.
-	var featureLevel _D3D_FEATURE_LEVEL = _D3D_FEATURE_LEVEL_12_0
+	// Specify the level 11 by default.
+	// Some old cards don't work well with the default feature level (#2447, #2486).
+	var featureLevel _D3D_FEATURE_LEVEL = _D3D_FEATURE_LEVEL_11_0
 	if env := os.Getenv("EBITENGINE_DIRECTX_FEATURE_LEVEL"); env != "" {
 		switch env {
 		case "11_0":