diff --git a/Elwig/Windows/MemberAdminWindow.xaml b/Elwig/Windows/MemberAdminWindow.xaml
index 3f82cbf..e696ac2 100644
--- a/Elwig/Windows/MemberAdminWindow.xaml
+++ b/Elwig/Windows/MemberAdminWindow.xaml
@@ -311,6 +311,10 @@
                     <CheckBox x:Name="BuchführendInput" Content="Buchführend" IsEnabled="False"
                               Checked="CheckBox_Changed" Unchecked="CheckBox_Changed"
                               Grid.Column="2" HorizontalAlignment="Left" Margin="10,15,0,0" VerticalAlignment="Top" IsChecked="False"/>
+
+                    <CheckBox x:Name="OrganicInput" Content="Bio" IsEnabled="False"
+                              Checked="CheckBox_Changed" Unchecked="CheckBox_Changed"
+                              Grid.Column="2" HorizontalAlignment="Left" Margin="10,45,0,0" VerticalAlignment="Top" IsChecked="False"/>
                 </Grid>
             </GroupBox>
             <GroupBox Header="Rechnungsadresse (optional)" Grid.Column="1" Grid.Row="1" Grid.RowSpan="2" Margin="5,5,5,5">
diff --git a/Elwig/Windows/MemberAdminWindow.xaml.cs b/Elwig/Windows/MemberAdminWindow.xaml.cs
index 25f2159..0aa2fca 100644
--- a/Elwig/Windows/MemberAdminWindow.xaml.cs
+++ b/Elwig/Windows/MemberAdminWindow.xaml.cs
@@ -425,6 +425,7 @@ namespace Elwig.Windows {
             m.UstIdNr = (UstIdNrInput.Text == "") ? null : UstIdNrInput.Text;
             m.LfbisNr = (LfbisNrInput.Text == "") ? null : LfbisNrInput.Text;
             m.IsBuchführend = BuchführendInput.IsChecked ?? false;
+            m.IsOrganic = OrganicInput.IsChecked ?? false;
 
             m.EntryDateString = (EntryDateInput.Text == "") ? null : string.Join("-", EntryDateInput.Text.Split(".").Reverse());
             m.ExitDateString = (ExitDateInput.Text == "") ? null : string.Join("-", ExitDateInput.Text.Split(".").Reverse());
@@ -585,6 +586,7 @@ namespace Elwig.Windows {
             UstIdNrInput.Text = m.UstIdNr;
             LfbisNrInput.Text = m.LfbisNr;
             BuchführendInput.IsChecked = m.IsBuchführend;
+            OrganicInput.IsChecked = m.IsOrganic;
 
             var billingAddr = m.BillingAddress;
             if (billingAddr != null) {