diff --git a/src/modules/connection/dtos/connection.ts b/src/modules/connection/dtos/connection.ts
index a1fa045..6fb3d6f 100644
--- a/src/modules/connection/dtos/connection.ts
+++ b/src/modules/connection/dtos/connection.ts
@@ -52,7 +52,7 @@ export class ConnectionDto implements Connection {
   network_config_id: string | null;
 
   @ApiProperty()
-  properties: any | DatabaseConnectionPropertiesDto;
+  properties: DatabaseConnectionPropertiesDto | any;
 
   // ---Information sent by the frontend (Heirs of Connector)--- //
 
@@ -130,7 +130,7 @@ export class UpdateConnectionDto extends PickType(ConnectionDto, [
 ]) {}
 
 export class ConnectionsRes implements GetAllConnectionResponse {
-  @ApiProperty()
+  @ApiProperty({ type: [ConnectionToCatalogDto] })
   connections: ConnectionToCatalogDto[];
 
   @ApiProperty()