diff --git a/Customers/Invoices.aspx b/Customers/Invoices.aspx
index 6173ab0..9ba569d 100644
--- a/Customers/Invoices.aspx
+++ b/Customers/Invoices.aspx
@@ -171,7 +171,7 @@
                                              <asp:RegularExpressionValidator ControlToValidate="txt_ReNr_M" runat="server" ID="regex_txt_ReNr_M" ForeColor="Red" Display="Dynamic" ValidationExpression="[0-9]{1,8}" Enabled="false" ErrorMessage="Please stay in the range of 8 numbers!"></asp:RegularExpressionValidator>
                                          </div>
                                       </div>
-                                        </div>
+                                    </div>
                                 </div>
                              </div>
                             </div>