diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index 0c9507bd0c..57d0d48d65 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1,2 +1,2 @@
-1209
-Changed: joel.einbinder@gmail.com Mon 16 Nov 2020 10:52:59 AM PST
+1210
+Changed: yurys@chromium.org Mon 16 Nov 2020 01:10:41 PM PST
diff --git a/browser_patches/firefox/juggler/NetworkObserver.js b/browser_patches/firefox/juggler/NetworkObserver.js
index df7b7bb97f..4df2d3997e 100644
--- a/browser_patches/firefox/juggler/NetworkObserver.js
+++ b/browser_patches/firefox/juggler/NetworkObserver.js
@@ -800,7 +800,7 @@ class ResponseStorage {
 
   addResponseBody(request, body) {
     if (body.length > this._maxResponseSize) {
-      this._responses.set(requestId, {
+      this._responses.set(request.requestId, {
         evicted: true,
         body: '',
       });