diff --git a/src/models/response/organizationUserResponse.ts b/src/models/response/organizationUserResponse.ts
index 12006b665dd..7f377b5e950 100644
--- a/src/models/response/organizationUserResponse.ts
+++ b/src/models/response/organizationUserResponse.ts
@@ -30,7 +30,7 @@ export class OrganizationUserUserDetailsResponse extends OrganizationUserRespons
 }
 
 export class OrganizationUserDetailsResponse extends OrganizationUserResponse {
-    collections: SelectionReadOnlyResponse;
+    collections: SelectionReadOnlyResponse[] = [];
 
     constructor(response: any) {
         super(response);