diff --git a/src/modules/ad/ad.mapper.ts b/src/modules/ad/ad.mapper.ts
index cf036d9..5c7c014 100644
--- a/src/modules/ad/ad.mapper.ts
+++ b/src/modules/ad/ad.mapper.ts
@@ -43,43 +43,45 @@ export class AdMapper
       frequency: copy.frequency,
       fromDate: new Date(copy.fromDate),
       toDate: new Date(copy.toDate),
-      schedule: {
-        create: copy.schedule.map((scheduleItem: ScheduleItemProps) => ({
-          uuid: v4(),
-          day: scheduleItem.day as number,
-          time: new Date(
-            1970,
-            0,
-            1,
-            parseInt(scheduleItem.time.split(':')[0]),
-            parseInt(scheduleItem.time.split(':')[1]),
-          ),
-          margin: scheduleItem.margin as number,
-          createdAt: now,
-          updatedAt: now,
-        })),
-      },
+      schedule: copy.schedule
+        ? {
+            create: copy.schedule.map((scheduleItem: ScheduleItemProps) => ({
+              uuid: v4(),
+              day: scheduleItem.day as number,
+              time: new Date(
+                1970,
+                0,
+                1,
+                parseInt(scheduleItem.time.split(':')[0]),
+                parseInt(scheduleItem.time.split(':')[1]),
+              ),
+              margin: scheduleItem.margin as number,
+              createdAt: now,
+              updatedAt: now,
+            })),
+          }
+        : undefined,
       seatsProposed: copy.seatsProposed as number,
       seatsRequested: copy.seatsRequested as number,
       strict: copy.strict as boolean,
-      waypoints: {
-        create: copy.waypoints.map((waypoint: WaypointProps) => ({
-          uuid: v4(),
-          position: waypoint.position,
-          name: waypoint.address.name,
-          houseNumber: waypoint.address.houseNumber,
-          street: waypoint.address.street,
-          locality: waypoint.address.locality,
-          postalCode: waypoint.address.postalCode,
-          country: waypoint.address.country,
-          lon: waypoint.address.coordinates.lon,
-          lat: waypoint.address.coordinates.lat,
-          createdAt: now,
-          updatedAt: now,
-        })),
-      },
-      createdAt: copy.createdAt,
-      updatedAt: copy.updatedAt,
+      waypoints: copy.waypoints
+        ? {
+            create: copy.waypoints.map((waypoint: WaypointProps) => ({
+              uuid: v4(),
+              position: waypoint.position,
+              name: waypoint.address.name,
+              houseNumber: waypoint.address.houseNumber,
+              street: waypoint.address.street,
+              locality: waypoint.address.locality,
+              postalCode: waypoint.address.postalCode,
+              country: waypoint.address.country,
+              lon: waypoint.address.coordinates.lon,
+              lat: waypoint.address.coordinates.lat,
+              createdAt: now,
+              updatedAt: now,
+            })),
+          }
+        : undefined,
     };
     return record;
   };
@@ -97,7 +99,7 @@ export class AdMapper
         frequency: record.frequency as Frequency,
         fromDate: record.fromDate.toISOString().split('T')[0],
         toDate: record.toDate.toISOString().split('T')[0],
-        schedule: record.schedule.map((scheduleItem: ScheduleItemModel) => ({
+        schedule: record.schedule?.map((scheduleItem: ScheduleItemModel) => ({
           day: scheduleItem.day,
           time: `${scheduleItem.time
             .getUTCHours()
@@ -111,7 +113,7 @@ export class AdMapper
         seatsProposed: record.seatsProposed,
         seatsRequested: record.seatsRequested,
         strict: record.strict,
-        waypoints: record.waypoints.map((waypoint: WaypointModel) => ({
+        waypoints: record.waypoints?.map((waypoint: WaypointModel) => ({
           position: waypoint.position,
           address: {
             name: waypoint.name,
diff --git a/src/modules/ad/infrastructure/ad.repository.ts b/src/modules/ad/infrastructure/ad.repository.ts
index 7c3f380..673a036 100644
--- a/src/modules/ad/infrastructure/ad.repository.ts
+++ b/src/modules/ad/infrastructure/ad.repository.ts
@@ -24,22 +24,26 @@ export type AdBaseModel = {
   seatsProposed: number;
   seatsRequested: number;
   strict: boolean;
-  createdAt: Date;
-  updatedAt: Date;
 };
 
 export type AdReadModel = AdBaseModel & {
   waypoints: WaypointModel[];
   schedule: ScheduleItemModel[];
+  createdAt: Date;
+  updatedAt: Date;
 };
 
 export type AdWriteModel = AdBaseModel & {
-  waypoints: {
-    create: WaypointModel[];
-  };
-  schedule: {
-    create: ScheduleItemModel[];
-  };
+  schedule: ScheduleWriteModel | undefined;
+  waypoints: WaypointWriteModel | undefined;
+};
+
+export type ScheduleWriteModel = {
+  create: ScheduleItemModel[];
+};
+
+export type WaypointWriteModel = {
+  create: WaypointModel[];
 };
 
 export type ScheduleItemModel = {
diff --git a/src/modules/ad/tests/unit/ad.mapper.spec.ts b/src/modules/ad/tests/unit/ad.mapper.spec.ts
index dba2f55..47ec4d6 100644
--- a/src/modules/ad/tests/unit/ad.mapper.spec.ts
+++ b/src/modules/ad/tests/unit/ad.mapper.spec.ts
@@ -144,9 +144,9 @@ describe('Ad Mapper', () => {
 
   it('should map domain entity to persistence data', async () => {
     const mapped: AdWriteModel = adMapper.toPersistence(adEntity);
-    expect(mapped.waypoints.create[0].uuid.length).toBe(36);
-    expect(mapped.waypoints.create[1].uuid.length).toBe(36);
-    expect(mapped.schedule.create.length).toBe(1);
+    expect(mapped.waypoints?.create[0].uuid.length).toBe(36);
+    expect(mapped.waypoints?.create[1].uuid.length).toBe(36);
+    expect(mapped.schedule?.create.length).toBe(1);
   });
 
   it('should map persisted data to domain entity', async () => {