diff --git a/runner/monitor/CHANGELOG.md b/runner/monitor/CHANGELOG.md
index 81697fb4a..7f878d05b 100644
--- a/runner/monitor/CHANGELOG.md
+++ b/runner/monitor/CHANGELOG.md
@@ -6,6 +6,9 @@
 
 **Bug Fixes**
 
+* Fixes missing IntentMonitor for startActivity with user overload. Now it's
+  possible to intercept intents started with startActivityAsUser.
+
 **New Features**
 
 **Breaking Changes**
diff --git a/runner/monitor/java/androidx/test/runner/MonitoringInstrumentation.java b/runner/monitor/java/androidx/test/runner/MonitoringInstrumentation.java
index 67954ce60..220180306 100644
--- a/runner/monitor/java/androidx/test/runner/MonitoringInstrumentation.java
+++ b/runner/monitor/java/androidx/test/runner/MonitoringInstrumentation.java
@@ -622,6 +622,12 @@ public ActivityResult execStartActivity(
       int requestCode,
       Bundle options,
       UserHandle user) {
+    intentMonitor.signalIntent(intent);
+    ActivityResult ar = stubResultFor(intent);
+    if (ar != null) {
+      Log.i(TAG, String.format("Stubbing intent %s", intent));
+      return ar;
+    }
     return super.execStartActivity(
         who, contextThread, token, target, intent, requestCode, options, user);
   }