diff --git a/lib/firefox/webdriver/firefox.js b/lib/firefox/webdriver/firefox.js
index a9db0bf1a..1a0e811d9 100644
--- a/lib/firefox/webdriver/firefox.js
+++ b/lib/firefox/webdriver/firefox.js
@@ -10,6 +10,7 @@ import { isAndroidConfigured, Android } from '../../android/index.js';
 import { adjustVisualProgressTimestamps } from '../../support/util.js';
 import { findFiles } from '../../support/fileUtil.js';
 import { GeckoProfiler } from '../geckoProfiler.js';
+import { FirefoxBidi } from '../firefoxBidi.js';
 import { MemoryReport } from '../memoryReport.js';
 import { PerfStats } from '../perfStats.js';
 import { NetworkManager } from '../networkManager.js';
@@ -64,6 +65,13 @@ export class Firefox {
     }
 
     this.bidi = await runner.getDriver().getBidi();
+
+    this.browsertimeBidi = new FirefoxBidi(
+      await runner.getDriver().getBidi(),
+      this.windowId,
+      runner.getDriver(),
+      this.options
+    );
   }
 
   /**
@@ -82,7 +90,7 @@ export class Firefox {
    */
   async beforeStartIteration(runner) {
     if (this.options.injectJs) {
-      await this.bidi.injectJavaScript(this.options.injectJs);
+      await this.browsertimeBidi.injectJavaScript(this.options.injectJs);
     }
 
     if (