diff --git a/src/BreCalClient/AboutDialog.xaml b/src/BreCalClient/AboutDialog.xaml
index da82547..68c72b7 100644
--- a/src/BreCalClient/AboutDialog.xaml
+++ b/src/BreCalClient/AboutDialog.xaml
@@ -54,7 +54,7 @@
         <xctk:WatermarkPasswordBox Watermark="{x:Static p:Resources.textOldPassword}" Grid.Column="1" Grid.Row="7" Margin="2" x:Name="wpBoxOldPassword" TextChanged="wpBoxOldPassword_TextChanged"/>
         <xctk:WatermarkPasswordBox Watermark="{x:Static p:Resources.textNewPassword}" Grid.Column="1" Grid.Row="8" Margin="2" x:Name="wpBoxNewPassword" TextChanged="wpBoxOldPassword_TextChanged"/>
         <xctk:WatermarkPasswordBox Watermark="{x:Static p:Resources.textRepeatNewPassword}" Grid.Column="1" Grid.Row="9" Margin="2" x:Name="wpBoxNewPasswordRepeat" TextChanged="wpBoxOldPassword_TextChanged"/>
-        <Button x:Name="buttonChangePassword" Click="buttonChangePassword_Click" Grid.Column="1" Grid.Row="10" Margin="2" Content="{x:Static p:Resources.textChange}" Width="80" HorizontalAlignment="Left" IsEnabled="False" />
+        <Button x:Name="buttonChangePassword" Click="buttonChangePassword_Click" Grid.Column="1" Grid.Row="10" Margin="2" Content="{x:Static p:Resources.textChange}" Width="80" HorizontalAlignment="Left" IsEnabled="True" />
 
         <Button x:Name="buttonClose" Click="buttonClose_Click" Content="{x:Static p:Resources.textClose}" Width="80" Margin="2" Grid.Column="1" Grid.Row="12" HorizontalAlignment="Right" />