diff --git a/packages/stage-ui/src/utils/opfs-loader.ts b/packages/stage-ui/src/utils/opfs-loader.ts
index 1c57e037f..1b65aed1b 100644
--- a/packages/stage-ui/src/utils/opfs-loader.ts
+++ b/packages/stage-ui/src/utils/opfs-loader.ts
@@ -6,7 +6,7 @@ interface OPFSContext extends Live2DFactoryContext {
 
 declare global {
   interface FileSystemDirectoryHandle {
-    values: () => AsyncIterableIterator<FileSystemDirectoryHandle | FileSystemFileHandle>
+    values: () => FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>
   }
 }
 
diff --git a/packages/stage-ui/tsconfig.json b/packages/stage-ui/tsconfig.json
index ddfe8f744..3a2ef96fb 100644
--- a/packages/stage-ui/tsconfig.json
+++ b/packages/stage-ui/tsconfig.json
@@ -4,7 +4,8 @@
     "jsx": "preserve",
     "lib": [
       "DOM",
-      "ESNext"
+      "ESNext",
+      "DOM.AsyncIterable"
     ],
     "module": "ESNext",
     "moduleResolution": "Bundler",