diff --git a/bin/backend/controls/panels/TemporaryInvoice.js b/bin/backend/controls/panels/TemporaryInvoice.js
index ea1b1810f968161d1ac0fb79fea775381991e708..8fa5079c970efca6e6a0084c5dd2e11650ca2329 100644
--- a/bin/backend/controls/panels/TemporaryInvoice.js
+++ b/bin/backend/controls/panels/TemporaryInvoice.js
@@ -781,6 +781,48 @@ define('package/quiqqer/invoice/bin/backend/controls/panels/TemporaryInvoice', [
                         });
                     });
                 });
+            }).then(function () {
+                // check invoice date
+                var Now = new Date();
+                Now.setHours(0, 0, 0, 0);
+
+                var InvoiceDate = new Date(self.getAttribute('date'));
+
+                if (InvoiceDate < Now) {
+                    new QUIConfirm({
+                        title        : QUILocale.get(lg, 'window.invoice.date.past.title'),
+                        text         : QUILocale.get(lg, 'window.invoice.date.past.title'),
+                        information  : QUILocale.get(lg, 'window.invoice.date.past.content'),
+                        icon         : 'fa fa-clock-o',
+                        texticon     : 'fa fa-clock-o',
+                        maxHeight    : 400,
+                        maxWidth     : 600,
+                        autoclose    : false,
+                        cancel_button: {
+                            text     : QUILocale.get(lg, 'window.invoice.date.past.cancel.text'),
+                            textimage: 'fa fa-close'
+                        },
+                        ok_button    : {
+                            text     : QUILocale.get(lg, 'window.invoice.date.past.ok.text'),
+                            textimage: 'fa fa-check'
+                        },
+                        events       : {
+                            onSubmit: function (Win) {
+                                Win.Loader.show();
+
+                                var Today = new Date()
+                                var today = Today.toISOString().split('T')[0];
+
+                                self.setAttribute('date', today + ' 00:00:00');
+
+                                self.save().then(function () {
+                                    self.openVerification();
+                                    Win.close();
+                                });
+                            }
+                        }
+                    }).open();
+                }
             }).then(function () {
                 return Invoices.getMissingAttributes(self.getAttribute('invoiceId'));
             }).then(function (missing) {
diff --git a/locale.xml b/locale.xml
index e961b04aa3eedf11b729dd9cdc36f20bbb875ee5..ecfcd2ec600f721289bfedb16e0ae3d492b2889a 100644
--- a/locale.xml
+++ b/locale.xml
@@ -1560,6 +1560,29 @@
             <de><![CDATA[Bitte wählen Sie einen Kunden aus.]]></de>
             <en><![CDATA[Please select a customer.]]></en>
         </locale>
+
+        <locale name="window.invoice.date.past.title">
+            <de><![CDATA[Rechnungsdatum liegt in der Vergangenheit]]></de>
+            <en><![CDATA[Invoice date is in the past]]></en>
+        </locale>
+        <locale name="window.invoice.date.past.content" html="true">
+            <de><![CDATA[
+            Achtung das Rechnungsdatum liegt in der Vergangenheit.<br />
+            Soll das heutige Datum verwendet werden?
+            ]]></de>
+            <en><![CDATA[
+            Attention the invoice date is in the past.<br />
+            Should today's date be used?
+            ]]></en>
+        </locale>
+        <locale name="window.invoice.date.past.cancel.text">
+            <de><![CDATA[Datum belassen]]></de>
+            <en><![CDATA[Leave date]]></en>
+        </locale>
+        <locale name="window.invoice.date.past.ok.text">
+            <de><![CDATA[Heutiges Datum verwenden]]></de>
+            <en><![CDATA[Use today's date]]></en>
+        </locale>
     </groups>
 
     <groups name="quiqqer/invoice" datatype="php">