diff --git a/.changeset/soft-nails-give.md b/.changeset/soft-nails-give.md
new file mode 100644
index 00000000000..4e488c1aa2d
--- /dev/null
+++ b/.changeset/soft-nails-give.md
@@ -0,0 +1,5 @@
+---
+"@firebase/firestore": patch
+---
+
+Fix unimplemented error when loading bundles
diff --git a/packages/firestore/src/util/byte_stream.ts b/packages/firestore/src/util/byte_stream.ts
index edb69c460c6..0b65823ac91 100644
--- a/packages/firestore/src/util/byte_stream.ts
+++ b/packages/firestore/src/util/byte_stream.ts
@@ -59,7 +59,7 @@ export function toByteStreamReaderHelper(
     },
     async cancel(): Promise<void> {},
     releaseLock() {},
-    closed: Promise.reject('unimplemented')
+    closed: Promise.resolve()
   };
   return reader;
 }