diff --git a/MainWindow.xaml b/MainWindow.xaml
index 28e5493..b407a55 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -24,7 +24,7 @@
                 <ColumnDefinition Width="*" />
                 <ColumnDefinition Width="Auto" />
             </Grid.ColumnDefinitions>
-            <Image Source="/marca.ico" 
+            <Image Source="/marca.png" 
                Grid.Row="0" Grid.Column="0"
                HorizontalAlignment="Left" 
                VerticalAlignment="Top"