1 files changed, 6 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/geofence/GeofencePolyline.java b/src/main/java/org/traccar/geofence/GeofencePolyline.java
index d84f512e3..370bf99bb 100644
--- a/src/main/java/org/traccar/geofence/GeofencePolyline.java
+++ b/src/main/java/org/traccar/geofence/GeofencePolyline.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
  * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -47,6 +47,11 @@ public class GeofencePolyline extends GeofenceGeometry {
     }
 
     @Override
+    public double calculateArea() {
+        return 0;
+    }
+
+    @Override
     public String toWkt() {
         StringBuilder buf = new StringBuilder();
         buf.append("LINESTRING (");