diff --git a/browser_patches/firefox/juggler/protocol/PageHandler.js b/browser_patches/firefox/juggler/protocol/PageHandler.js
index 573df5a14c..bab151b392 100644
--- a/browser_patches/firefox/juggler/protocol/PageHandler.js
+++ b/browser_patches/firefox/juggler/protocol/PageHandler.js
@@ -257,11 +257,10 @@ class PageHandler {
   }
 
   async ['Heap.collectGarbage']() {
-    await new Promise((resolve) => {
-      Cu.schedulePreciseGC(() => {
-        resolve();
-      });
-    });
+    Services.obs.notifyObservers(null, "child-gc-request");
+    Cu.forceGC();
+    Services.obs.notifyObservers(null, "child-cc-request");
+    Cu.forceCC();
   }
 
   async ['Network.getResponseBody']({requestId}) {
diff --git a/tests/page/page-force-gc.spec.ts b/tests/page/page-force-gc.spec.ts
index 92a0b370bd..507c4b52e6 100644
--- a/tests/page/page-force-gc.spec.ts
+++ b/tests/page/page-force-gc.spec.ts
@@ -16,12 +16,12 @@
 
 import { test as it, expect } from './pageTest';
 
-it('should work', async function({ page, browserName }) {
+it.only('should work', async function({ page, browserName }) {
   await page.evaluate(() => {
-    globalThis.thing = {};
-    globalThis.something = new WeakRef(globalThis.thing);
+    globalThis.objectToDestroy = {};
+    globalThis.weakRef = new WeakRef(globalThis.objectToDestroy);
   });
-  await page.evaluate(() => globalThis.thing = null);
+  await page.evaluate(() => globalThis.objectToDestroy = null);
   await page.forceGarbageCollection();
-  expect(await page.evaluate(() => globalThis.something.deref())).toBe(undefined);
+  expect(await page.evaluate(() => globalThis.weakRef.deref())).toBe(undefined);
 });