diff --git a/Wino.Mail/Dialogs/SignatureEditorDialog.xaml b/Wino.Mail/Dialogs/SignatureEditorDialog.xaml
index 18146958..3326191c 100644
--- a/Wino.Mail/Dialogs/SignatureEditorDialog.xaml
+++ b/Wino.Mail/Dialogs/SignatureEditorDialog.xaml
@@ -167,7 +167,7 @@
                         Background="Transparent"
                         BorderBrush="Transparent"
                         SelectionChanged="AlignmentChanged">
-                        <ComboBoxItem Tag="left">
+                        <ComboBoxItem IsSelected="True" Tag="left">
                             <StackPanel Orientation="Horizontal" Spacing="8">
                                 <Viewbox Width="16">
                                     <PathIcon Data="{StaticResource AlignLeftPathIcon}" />
diff --git a/Wino.Mail/Views/ComposePage.xaml b/Wino.Mail/Views/ComposePage.xaml
index c8927716..9e032a7c 100644
--- a/Wino.Mail/Views/ComposePage.xaml
+++ b/Wino.Mail/Views/ComposePage.xaml
@@ -288,7 +288,7 @@
                                 Background="Transparent"
                                 BorderBrush="Transparent"
                                 SelectionChanged="AlignmentChanged">
-                                <ComboBoxItem Tag="left">
+                                <ComboBoxItem IsSelected="True" Tag="left">
                                     <StackPanel Orientation="Horizontal" Spacing="8">
                                         <Viewbox Width="16">
                                             <PathIcon Data="{StaticResource AlignLeftPathIcon}" />