diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index f232aef3..7c38f59b 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -4550,9 +4550,9 @@ static bool intrinsic_smoothstep(struct hlsl_ctx *ctx,
             "    return (p * p) * (3 - 2 * p);\n"
             "}";
 
-    if (!(type = elementwise_intrinsic_get_common_type(ctx, params, loc)))
+    if (!elementwise_intrinsic_float_convert_args(ctx, params, loc))
         return false;
-    type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy);
+    type = params->args[0]->data_type;
 
     if (!(body = hlsl_sprintf_alloc(ctx, template, type->name, type->name, type->name, type->name, type->name)))
         return false;