diff --git a/packages/esm-commons-lib/src/utils/encounter-list-utils.ts b/packages/esm-commons-lib/src/utils/encounter-list-utils.ts
index f3c7d9efd..d7d8ba440 100644
--- a/packages/esm-commons-lib/src/utils/encounter-list-utils.ts
+++ b/packages/esm-commons-lib/src/utils/encounter-list-utils.ts
@@ -44,7 +44,7 @@ export function getObsFromEncounter(encounter, obsConcept, isDate?: Boolean, isT
   const obs = findObs(encounter, obsConcept);
 
   if (isTrueFalseConcept) {
-    if (obs.value.uuid == 'cf82933b-3f3f-45e7-a5ab-5d31aaee3da3') {
+    if (obs?.value?.uuid == 'cf82933b-3f3f-45e7-a5ab-5d31aaee3da3') {
       return 'Yes';
     } else {
       return 'No';