diff --git a/AgroBase/OperationControl/Models/Variaveis.cs b/AgroBase/OperationControl/Models/Variaveis.cs
index ba900ae7e..80ca414a0 100644
--- a/AgroBase/OperationControl/Models/Variaveis.cs
+++ b/AgroBase/OperationControl/Models/Variaveis.cs
@@ -168,7 +168,7 @@ namespace OperationControl.Models
                                 }
                                 //((App)Application.Current).Shell.Main?.AtualizarDadosTela_Telemetria(device_id);
 
-                                Application.Current.Dispatcher.BeginInvoke(new Action(() =>
+                                Application.Current?.Dispatcher?.BeginInvoke(new Action(() =>
                                 {
                                     Variaveis.Dock?._vm?.AtualizarDadosTela(rover);
                                 }));