diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index ca0cf76b..02975628 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -7309,6 +7309,10 @@ type_no_void:
             validate_uav_type(ctx, $1, $3, &@3);
             $$ = hlsl_new_uav_type(ctx, $1, $3, true);
         }
+    | KW_STRING
+        {
+            $$ = ctx->builtin_types.string;
+        }
     | TYPE_IDENTIFIER
         {
             $$ = hlsl_get_type(ctx->cur_scope, $1, true, true);
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index f460e10e..7fd4bed6 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -1638,6 +1638,7 @@ static bool copy_propagation_transform_load(struct hlsl_ctx *ctx,
         case HLSL_CLASS_PIXEL_SHADER:
         case HLSL_CLASS_RASTERIZER_STATE:
         case HLSL_CLASS_SAMPLER:
+        case HLSL_CLASS_STRING:
         case HLSL_CLASS_TEXTURE:
         case HLSL_CLASS_UAV:
         case HLSL_CLASS_VERTEX_SHADER:
@@ -1658,7 +1659,6 @@ static bool copy_propagation_transform_load(struct hlsl_ctx *ctx,
         case HLSL_CLASS_EFFECT_GROUP:
         case HLSL_CLASS_PASS:
         case HLSL_CLASS_RENDER_TARGET_VIEW:
-        case HLSL_CLASS_STRING:
         case HLSL_CLASS_TECHNIQUE:
         case HLSL_CLASS_VOID:
             vkd3d_unreachable();