diff --git a/frontend/src/app/components/fhir/resources/medication/medication.component.html b/frontend/src/app/components/fhir/resources/medication/medication.component.html
index 52b2ba23..31ff0cae 100644
--- a/frontend/src/app/components/fhir/resources/medication/medication.component.html
+++ b/frontend/src/app/components/fhir/resources/medication/medication.component.html
@@ -1,7 +1,7 @@
 <div class="card card-fhir-resource" >
   <div class="card-header" (click)="isCollapsed = ! isCollapsed">
     <div>
-      <h6 class="card-title">{{displayModel.title}}</h6>
+      <h6 class="card-title">{{displayModel?.title}}</h6>
       <p class="card-text tx-gray-400" *ngIf="displayModel?.sort_date"><strong>Start date</strong> {{displayModel?.sort_date | date}}</p>
     </div>
     <fhir-ui-badge class="float-right" [status]="displayModel?.status">{{displayModel?.status}}</fhir-ui-badge>
diff --git a/frontend/src/lib/models/resources/encounter-model.spec.ts b/frontend/src/lib/models/resources/encounter-model.spec.ts
index 00e6209a..62a4cb54 100644
--- a/frontend/src/lib/models/resources/encounter-model.spec.ts
+++ b/frontend/src/lib/models/resources/encounter-model.spec.ts
@@ -36,10 +36,11 @@ describe('EncounterModel', () => {
       expected.resource_status = 'finished'
       expected.participant = [
         {
-          display: undefined,
+          display: 'Dr Adam Careful',
           reference: { reference: 'Practitioner/example', display: 'Dr Adam Careful' },
           text: undefined,
-          periodStart: '2015-01-17T16:00:00+10:00'
+          periodStart: '2015-01-17T16:00:00+10:00',
+          role: undefined,
         }
       ]
 
@@ -56,7 +57,12 @@ describe('EncounterModel', () => {
       expected.resource_class = 'ambulatory'
       expected.resource_status = 'finished'
       expected.participant = [
-        { display: undefined, reference: Object({ reference: 'Practitioner/f201' }), text: undefined, periodStart: undefined }
+        { display: undefined,
+          reference: Object({ reference: 'Practitioner/f201' }),
+          text: undefined,
+          periodStart: undefined,
+          role: undefined
+        }
       ]
 
       expect(new EncounterModel(example3Fixture)).toEqual(expected);