diff --git a/frontend/src/app/core/query/description-status.lookup.ts b/frontend/src/app/core/query/description-status.lookup.ts
index 7140bccee..f042e6b96 100644
--- a/frontend/src/app/core/query/description-status.lookup.ts
+++ b/frontend/src/app/core/query/description-status.lookup.ts
@@ -8,7 +8,7 @@ export class DescriptionStatusLookup extends Lookup implements DescriptionStatus
 	excludedIds: Guid[];
 	like: string;
 	isActive: IsActive[];
-	internalStatuses: DescriptionStatusEnum[];
+	internalStatuses?: DescriptionStatusEnum[];
 
     constructor() {
 		super();
diff --git a/frontend/src/app/core/query/plan-status.lookup.ts b/frontend/src/app/core/query/plan-status.lookup.ts
index ab22ec40e..e79fffed2 100644
--- a/frontend/src/app/core/query/plan-status.lookup.ts
+++ b/frontend/src/app/core/query/plan-status.lookup.ts
@@ -8,7 +8,7 @@ export class PlanStatusLookup extends Lookup implements PlanStatusFilter {
 	excludedIds: Guid[];
 	like: string;
 	isActive: IsActive[];
-	internalStatuses: PlanStatusEnum[];
+	internalStatuses?: PlanStatusEnum[];
 
     constructor() {
 		super();