diff --git a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
index af2a208..c103b23 100644
--- a/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
+++ b/app/src/main/java/de/apps4ics/mountainnavigation/MainActivity.java
@@ -655,11 +655,12 @@
                                     })
                                     .create();
                             dialog.show();
-                            return false;
+                            return true;
                         }
                     });
                     mapView.getOverlays().add(polygon);
                     mapView.getOverlays().add(m);
+                    mapView.invalidate();
                 }
             } else {
                 List<Marker> markers = poiHandler.getPoiIcons(type, title);