diff --git a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
index 5198550..8e7f8f2 100644
--- a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
@@ -14,7 +14,7 @@ import { ServiceComm } from '../../services/serviceComm';
 export class ListOfAircraftsComponent implements OnInit {
   public listOfAircrafts: Array<AircraftResp> = new Array<AircraftResp>();
   public displayedColumns: Array<string> = ['id', 'name'];
-  public dataSourceTable = new MatTableDataSource<AircraftResp>();
+  public dataSourceTable;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
   constructor(private serviceApi: ServiceApi, private serviceComm: ServiceComm) {
diff --git a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
index 21b35a1..7b6febc 100644
--- a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
@@ -16,7 +16,7 @@ import { ServiceComm } from '../../services/serviceComm';
 export class ListOfDzsComponent implements OnInit {
   public listOfDropZones: Array<DropZoneResp> = new Array<DropZoneResp>();
   public displayedColumns: Array<string> = ['id', 'name', 'latitude', 'longitude', 'address', 'email', 'type'];
-  public dataSourceTable = new MatTableDataSource<DropZoneResp>();
+  public dataSourceTable;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
   constructor(private serviceApi: ServiceApi,
diff --git a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
index 8e7ab02..61da9cc 100644
--- a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
@@ -14,7 +14,7 @@ import { ServiceComm } from '../../services/serviceComm';
 export class ListOfJumpTypesComponent implements OnInit {
   public listOfJumpTypes: Array<JumpTypeResp> = new Array<JumpTypeResp>();
   public displayedColumns: Array<string> = ['id', 'name'];
-  public dataSourceTable = new MatTableDataSource<JumpTypeResp>();
+  public dataSourceTable;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
   constructor(private serviceApi: ServiceApi, private serviceComm: ServiceComm) {