diff --git a/lib/brain.js b/lib/brain.js
index 5e702d0e4..c2ed6fc21 100644
--- a/lib/brain.js
+++ b/lib/brain.js
@@ -2134,7 +2134,7 @@ Brain.prototype.isTierCompliant = function isTierCompliant (tier, triggerTx, req
       const complianceResult = customer.externalCompliance
       const service = trigger.externalService
 
-      switch (complianceResult[service]?.answer) {
+      switch (complianceResult[service] && complianceResult[service].answer) {
         case 'APPROVED':
           return true
         case 'REJECTED':