diff --git a/src/app/interface/data.ts b/src/app/interface/data.ts
index 04d2051..0566f35 100644
--- a/src/app/interface/data.ts
+++ b/src/app/interface/data.ts
@@ -4,7 +4,7 @@ export interface Locations {
   lat: number;
   lon: number;
   distance?: number;
-  waypoints?: waypoint[];
+  waypoints: waypoint[];
 }
 
 export interface waypoint {