diff --git a/Samples/Android/AndroidAltBeaconLibrary.Sample/MainActivity.cs b/Samples/Android/AndroidAltBeaconLibrary.Sample/MainActivity.cs
index 7b72611..ce49f79 100644
--- a/Samples/Android/AndroidAltBeaconLibrary.Sample/MainActivity.cs
+++ b/Samples/Android/AndroidAltBeaconLibrary.Sample/MainActivity.cs
@@ -275,7 +275,11 @@ await Task.Run(() =>
 						_data.Sort((x,y) => x.Distance.CompareTo(y.Distance));
 						UpdateList();
 					}
-				});
+                    else
+                    {
+                        ((ListSource)_list.Adapter).NotifyDataSetInvalidated();
+                    }
+                });
 			});
 		}