diff --git a/Wino.Mail.WinUI/Views/Settings/SignatureAndEncryptionPage.xaml b/Wino.Mail.WinUI/Views/Settings/SignatureAndEncryptionPage.xaml
index 1f36f603..f1ce58d0 100644
--- a/Wino.Mail.WinUI/Views/Settings/SignatureAndEncryptionPage.xaml
+++ b/Wino.Mail.WinUI/Views/Settings/SignatureAndEncryptionPage.xaml
@@ -3,6 +3,7 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:abstract="using:Wino.Views.Abstract"
+    xmlns:crypt="using:System.Security.Cryptography.X509Certificates"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:domain="using:Wino.Core.Domain"
@@ -56,7 +57,7 @@
                                 </Grid>
                             </ListView.Header>
                             <ListView.ItemTemplate>
-                                <DataTemplate>
+                                <DataTemplate x:DataType="crypt:X509Certificate2">
                                     <Grid ColumnSpacing="16">
                                         <Grid.ColumnDefinitions>
                                             <ColumnDefinition Width="0" />
@@ -64,17 +65,17 @@
                                             <ColumnDefinition Width="120" />
                                             <ColumnDefinition Width="*" />
                                         </Grid.ColumnDefinitions>
-                                        <TextBlock Grid.Column="1" Text="{Binding Subject}" />
+                                        <TextBlock Grid.Column="1" Text="{x:Bind Subject, Mode=OneWay}" />
                                         <TextBlock
                                             Grid.Column="2"
                                             FontSize="10"
                                             Foreground="Gray"
-                                            Text="{Binding NotAfter}" />
+                                            Text="{x:Bind NotAfter, Mode=OneWay}" />
                                         <TextBlock
                                             Grid.Column="3"
                                             FontSize="10"
                                             Foreground="Gray"
-                                            Text="{Binding Thumbprint}" />
+                                            Text="{x:Bind Thumbprint, Mode=OneWay}" />
                                     </Grid>
                                 </DataTemplate>
                             </ListView.ItemTemplate>
@@ -137,7 +138,7 @@
                                 </Grid>
                             </ListView.Header>
                             <ListView.ItemTemplate>
-                                <DataTemplate>
+                                <DataTemplate x:DataType="crypt:X509Certificate2">
                                     <Grid ColumnSpacing="16">
                                         <Grid.ColumnDefinitions>
                                             <ColumnDefinition Width="0" />
@@ -145,17 +146,17 @@
                                             <ColumnDefinition Width="120" />
                                             <ColumnDefinition Width="*" />
                                         </Grid.ColumnDefinitions>
-                                        <TextBlock Grid.Column="1" Text="{Binding Subject}" />
+                                        <TextBlock Grid.Column="1" Text="{x:Bind Subject, Mode=OneWay}" />
                                         <TextBlock
                                             Grid.Column="2"
                                             FontSize="10"
                                             Foreground="Gray"
-                                            Text="{Binding NotAfter}" />
+                                            Text="{x:Bind NotAfter, Mode=OneWay}" />
                                         <TextBlock
                                             Grid.Column="3"
                                             FontSize="10"
                                             Foreground="Gray"
-                                            Text="{Binding Thumbprint}" />
+                                            Text="{x:Bind Thumbprint, Mode=OneWay}" />
                                     </Grid>
                                 </DataTemplate>
                             </ListView.ItemTemplate>