diff --git a/openwpm/deploy_browsers/configure_firefox.py b/openwpm/deploy_browsers/configure_firefox.py
index ce6d39fe1..a18762224 100644
--- a/openwpm/deploy_browsers/configure_firefox.py
+++ b/openwpm/deploy_browsers/configure_firefox.py
@@ -151,6 +151,9 @@ def optimize_prefs(prefs: Dict[str, Any]) -> None:
     prefs["browser.uitour.enabled"] = False
     prefs["dom.flyweb.enabled"] = False
 
+    # Enabling callstack capture across async APIs e.g. setTimeout
+    prefs["javascript.option.asyncstack"] = True
+
     # Disable health reports / telemetry / crash reports
     prefs["datareporting.policy.dataSubmissionEnabled"] = False
     prefs["datareporting.healthreport.uploadEnabled"] = False
diff --git a/test/test_pages/Set_Timeout.html b/test/test_pages/Set_Timeout.html
new file mode 100644
index 000000000..26785f69b
--- /dev/null
+++ b/test/test_pages/Set_Timeout.html
@@ -0,0 +1,13 @@
+<!-- sample code for set timeout before printing to console -->
+<html>
+<head>
+<title>SetTimeout Simple Page</title>
+<body>
+    <script>
+        setTimeout(function(){
+            console.log("hello");
+        }, 3000);
+    </script>
+</head>
+</body>
+</html>
\ No newline at end of file
