diff --git a/lib/generateFileID.d.ts b/lib/generateFileID.d.ts
index c699b2453ff6d019b03509d65d66f8ffcb2c1be6..b83c4ffa9b7e7c2755416e8b7631d8971e9952d5 100644
--- a/lib/generateFileID.d.ts
+++ b/lib/generateFileID.d.ts
@@ -11,6 +11,6 @@ export default function generateFileID<M extends Meta, B extends Body>(file: Par
 export declare function getSafeFileId<M extends Meta, B extends Body>(file: Partial<Pick<UppyFile<M, B>, 'id' | 'type'>> & Pick<UppyFile<M, B>, 'data'> & (Pick<RemoteUppyFile<M, B>, 'isRemote' | 'remote'> | Pick<LocalUppyFile<M, B>, 'isRemote'>) & {
     meta?: {
         relativePath?: unknown;
-    };
+    } | undefined;
 }, instanceId: string): string;
 //# sourceMappingURL=generateFileID.d.ts.map
diff --git a/src/generateFileID.ts b/src/generateFileID.ts
index 53124860637e5b56dee7e5663a595c2e18d12410..7f6fcc4d8b1356ad26c03509d12186fa4363c31f 100644
--- a/src/generateFileID.ts
+++ b/src/generateFileID.ts
@@ -83,7 +83,7 @@ export function getSafeFileId<M extends Meta, B extends Body>(
     (
       | Pick<RemoteUppyFile<M, B>, 'isRemote' | 'remote'>
       | Pick<LocalUppyFile<M, B>, 'isRemote'>
-    ) & { meta?: { relativePath?: unknown } },
+    ) & { meta?: { relativePath?: unknown } | undefined },
   instanceId: string,
 ): string {
   if (hasFileStableId(file)) return file.id!