diff --git a/src/app/models/structure.model.ts b/src/app/models/structure.model.ts
index e5cafd7c68c4df818a729e8f5647e71d27793847..f4a65453d751f4c721c6a52e9d10a6cb569a9028 100644
--- a/src/app/models/structure.model.ts
+++ b/src/app/models/structure.model.ts
@@ -155,11 +155,11 @@ export class Structure {
   }
 
   public getLat(): number {
-    return this.address.coordinates[1];
+    return this.address.coordinates?.[1];
   }
 
   public getLon(): number {
-    return this.address.coordinates[0];
+    return this.address.coordinates?.[0];
   }
 
   public getTypeStructureIcon(): StructureCategoryIconEnum {