diff --git a/tests/hlsl/wave-ops-float.shader_test b/tests/hlsl/wave-ops-float.shader_test
index 60774fa8..efa7dbc4 100644
--- a/tests/hlsl/wave-ops-float.shader_test
+++ b/tests/hlsl/wave-ops-float.shader_test
@@ -450,6 +450,7 @@ float4 main(float4 pos : SV_Position) : SV_Target
 }
 
 [test]
+clear rtv 0 0.25 0.5 0.75 1.0
 todo draw quad
 probe rtv 0 (0, 0) rgba (0.25, 0.5, 0.75, 1.0)
 probe rtv 0 (1, 0) rgba (1.0, 0.0, 0.0, 1.0)