diff --git a/Feature-Toggles/PERF/featureToggle.json b/Feature-Toggles/PERF/featureToggle.json
index dd13ad3..fe83e97 100644
--- a/Feature-Toggles/PERF/featureToggle.json
+++ b/Feature-Toggles/PERF/featureToggle.json
@@ -811,7 +811,7 @@
     "enableSequenceSortInIndividualBarcode":true,
     "enablePatientSearchForLabOrderCreation": true,
     "enableChildProfilesRetrival":true,
-    "V4_11904_enable_optional":true,
+    "V4_11904_enable_optional":false,
     "enableOccupationValidationForCompanyPatient": true,
     "enableNurseAndPhysicianPopOverInMorgue_V4-9756" : true,
     "enableHMGTestName_DO_29102" : true,