diff --git a/common/djangoapps/track/backends/oli.py b/common/djangoapps/track/backends/oli.py
index 7cc5a0c45667..aefa2ee33efb 100644
--- a/common/djangoapps/track/backends/oli.py
+++ b/common/djangoapps/track/backends/oli.py
@@ -109,7 +109,7 @@ def send(self, event):
             'payload': {
                 'course_id': course_id,
                 'resource_id': problem_id,
-                'student_id': anonymous_id_for_user(user, None),
+                'user_id': user_id,
                 'grade': grade,
                 'max_grade': max_grade,
                 'timestamp': timestamp.isoformat(),