diff --git a/tests/hlsl/fog.shader_test b/tests/hlsl/fog.shader_test
index 940e85a8..81462c4c 100644
--- a/tests/hlsl/fog.shader_test
+++ b/tests/hlsl/fog.shader_test
@@ -25,5 +25,5 @@ float4 main(float2 fog : fog) : sv_target
 }
 
 [test]
-draw quad
+todo(msl) draw quad
 probe (0, 0) rgba (0.1, 0.2, 0, 1)