diff --git a/src/models/request/collectionRequest.ts b/src/models/request/collectionRequest.ts
index e5f427624b..716b0acab5 100644
--- a/src/models/request/collectionRequest.ts
+++ b/src/models/request/collectionRequest.ts
@@ -6,7 +6,10 @@ export class CollectionRequest {
     name: string;
     groups: SelectionReadOnlyRequest[] = [];
 
-    constructor(collection: Collection) {
+    constructor(collection?: Collection) {
+        if (collection == null) {
+            return;
+        }
         this.name = collection.name ? collection.name.encryptedString : null;
     }
 }
diff --git a/src/models/response/collectionResponse.ts b/src/models/response/collectionResponse.ts
index d04304b785..14e839cf35 100644
--- a/src/models/response/collectionResponse.ts
+++ b/src/models/response/collectionResponse.ts
@@ -27,7 +27,7 @@ export class CollectionGroupDetailsResponse extends CollectionResponse {
     constructor(response: any) {
         super(response);
         if (response.Groups != null) {
-            this.groups = response.Collections.map((g: any) => new SelectionReadOnlyResponse(g));
+            this.groups = response.Groups.map((g: any) => new SelectionReadOnlyResponse(g));
         }
     }
 }