diff --git a/scenarios/invite_q_forking/prefs.json b/scenarios/invite_q_forking/prefs.json
index 332165cb..8d9a3998 100644
--- a/scenarios/invite_q_forking/prefs.json
+++ b/scenarios/invite_q_forking/prefs.json
@@ -1,6 +1,6 @@
 {
     "testuser1003@spce.test": {
-        "serial_forking_by_q_value": true,
+        "serial_forking_by_q_value": "standard",
         "stop_forking_code_lists": [
             "486"
         ]