diff --git a/server/monitor-types/real-browser-monitor-type.js b/server/monitor-types/real-browser-monitor-type.js
index 46cd6348..03977a52 100644
--- a/server/monitor-types/real-browser-monitor-type.js
+++ b/server/monitor-types/real-browser-monitor-type.js
@@ -231,16 +231,14 @@ async function testRemoteBrowser(remoteBrowserURL) {
 
 /**
  * Cleanup function to terminate all browser processes and clear cache after each monitoring check.
+ * @param {import ("playwright-core").Page} page The page to close
  * @returns {Promise<void>}
  */
-async function cleanupBrowser() {
-    if (browser) {
-        const contexts = browser.contexts();
-        for (const context of contexts) {
-            await context.clearCookies();
-            await context.clearPermissions();
-            await context.close();
-        }
+async function cleanupBrowser(page) {
+    if (page) {
+        await page.context().clearCookies();
+        await page.context().clearPermissions();
+        await page.close();
     }
 }
 
@@ -267,7 +265,7 @@ class RealBrowserMonitorType extends MonitorType {
             path: path.join(Database.screenshotDir, filename),
         });
 
-        await cleanupBrowser(); // Ensure cleanup is called after each monitoring check
+        await cleanupBrowser(page); // Ensure cleanup is called after each monitoring check
 
         if (res.status() >= 200 && res.status() < 400) {
             heartbeat.status = UP;