diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 8551cfd8..dd95c308 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1581,6 +1581,7 @@ static void write_sm4_cast(struct hlsl_ctx *ctx,
 
     switch (dst_type->base_type)
     {
+        case HLSL_TYPE_HALF:
         case HLSL_TYPE_FLOAT:
             switch (src_type->base_type)
             {
@@ -1662,10 +1663,6 @@ static void write_sm4_cast(struct hlsl_ctx *ctx,
             }
             break;
 
-        case HLSL_TYPE_HALF:
-            hlsl_fixme(ctx, &expr->node.loc, "SM4 cast to half.");
-            break;
-
         case HLSL_TYPE_DOUBLE:
             hlsl_fixme(ctx, &expr->node.loc, "SM4 cast to double.");
             break;
diff --git a/tests/cast-to-half.shader_test b/tests/cast-to-half.shader_test
index e2b66d4b..81d6bc5d 100644
--- a/tests/cast-to-half.shader_test
+++ b/tests/cast-to-half.shader_test
@@ -1,7 +1,7 @@
 [require]
 shader model >= 4.0
 
-[pixel shader todo]
+[pixel shader]
 
 float4 main(uniform int i, uniform uint u, uniform bool b, uniform float f) : sv_target
 {
@@ -13,7 +13,7 @@ uniform 0 int -1
 uniform 1 uint 3
 uniform 2 int -2
 uniform 3 float 0.5
-todo draw quad
+draw quad
 probe all rgba (0.5, 0.5, 0.5, 0.5)
 
 [pixel shader]