diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 3a815dc5..aca0f993 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -2500,7 +2500,7 @@ static void write_sm1_store(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *
 
     if (store->lhs.var->data_type->class == HLSL_CLASS_MATRIX)
     {
-        FIXME("Matrix writemasks need to be lowered.\n");
+        hlsl_fixme(ctx, &instr->loc, "Lower matrix writemasks.\n");
         return;
     }
 
diff --git a/tests/hlsl/matrix-indexing.shader_test b/tests/hlsl/matrix-indexing.shader_test
index f1726763..6e2f01b7 100644
--- a/tests/hlsl/matrix-indexing.shader_test
+++ b/tests/hlsl/matrix-indexing.shader_test
@@ -108,7 +108,7 @@ draw quad
 probe all rgba (3.0, 4.0, 50.0, 60.0)
 
 
-[pixel shader]
+[pixel shader todo(sm<4)]
 uniform float i;
 
 float4 main() : sv_target
@@ -120,8 +120,8 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float 2
-draw quad
-todo(sm<4) probe all rgba (8, 9, 10, 11)
+todo(sm<4) draw quad
+probe all rgba (8, 9, 10, 11)
 
 
 [pixel shader todo(sm<4)]