diff --git a/remote/webdriver-bidi/modules/root/script.jsm b/remote/webdriver-bidi/modules/root/script.jsm
index 438b3c4ce5ac..c09fd8839d84 100644
--- a/remote/webdriver-bidi/modules/root/script.jsm
+++ b/remote/webdriver-bidi/modules/root/script.jsm
@@ -249,10 +249,16 @@ class ScriptModule extends Module {
         );
       }
 
+      if (!context.currentWindowGlobal) {
+        throw new lazy.error.NoSuchFrameError(
+          `No window found for BrowsingContext with id ${contextId}`
+        );
+      }
+
       // TODO: Return an actual realm once we have proper realm support.
       // See Bug 1766240.
       return {
-        realm: null,
+        realm: String(context.currentWindowGlobal.innerWindowId),
         origin: null,
         type: RealmType.Window,
         context,
diff --git a/testing/web-platform/meta/webdriver/tests/bidi/script/evaluate/evaluate.py.ini b/testing/web-platform/meta/webdriver/tests/bidi/script/evaluate/evaluate.py.ini
index a34f227e635f..647c59261793 100644
--- a/testing/web-platform/meta/webdriver/tests/bidi/script/evaluate/evaluate.py.ini
+++ b/testing/web-platform/meta/webdriver/tests/bidi/script/evaluate/evaluate.py.ini
@@ -10,6 +10,3 @@
 
   [test_rejected_promise_with_await_promise_false]
     expected: FAIL
-
-  [test_rejected_promise_with_await_promise_true]
-    expected: FAIL