diff --git a/common/lib/capa/capa/responsetypes.py b/common/lib/capa/capa/responsetypes.py
index 04fc82b3aa..884b1cd7a8 100644
--- a/common/lib/capa/capa/responsetypes.py
+++ b/common/lib/capa/capa/responsetypes.py
@@ -2819,6 +2819,7 @@ class CodeResponse(LoncapaResponse):
         student_info = {
             'anonymous_student_id': anonymous_student_id,
             'submission_time': qtime,
+            'random_seed': self.context['seed'],
         }
         contents.update({'student_info': json.dumps(student_info)})