diff --git a/.changeset/fresh-frogs-heal.md b/.changeset/fresh-frogs-heal.md
new file mode 100644
index 00000000000..7f10a9e7358
--- /dev/null
+++ b/.changeset/fresh-frogs-heal.md
@@ -0,0 +1,6 @@
+---
+"@firebase/firestore": patch
+"@firebase/webchannel-wrapper": patch
+---
+
+Fix an issue where Firestore was incorrectly using XHR instead of fetch for streaming response.
diff --git a/packages/webchannel-wrapper/externs/overrides.js b/packages/webchannel-wrapper/externs/overrides.js
index bccac74db64..8aa01e2ae5d 100644
--- a/packages/webchannel-wrapper/externs/overrides.js
+++ b/packages/webchannel-wrapper/externs/overrides.js
@@ -66,6 +66,9 @@ goog.net.WebChannel.Options.forceLongPolling;
 /** @type {boolean|undefined} */
 goog.net.WebChannel.Options.detectBufferingProxy;
 
+/** @type {boolean|undefined} */
+goog.net.WebChannel.Options.useFetchStreams;
+
 /** @type {unknown} */
 goog.net.WebChannel.Options.xmlHttpFactory;