diff --git a/modules/invoiceIn/back/methods/invoice-in/exchangeRateUpdate.js b/modules/invoiceIn/back/methods/invoice-in/exchangeRateUpdate.js
index 3ad06b242..989b1d4a2 100644
--- a/modules/invoiceIn/back/methods/invoice-in/exchangeRateUpdate.js
+++ b/modules/invoiceIn/back/methods/invoice-in/exchangeRateUpdate.js
@@ -54,6 +54,20 @@ module.exports = Self => {
                                         value: rate
                                     });
                                 }
+                                const monday = 1;
+                                if (xmlDateWithoutTime.getDay() === monday) {
+                                    const saturday = new Date(xmlDateWithoutTime);
+                                    saturday.setDate(xmlDateWithoutTime.getDate() - 2);
+                                    const sunday = new Date(xmlDateWithoutTime);
+                                    sunday.setDate(xmlDateWithoutTime.getDate() - 1);
+
+                                    for (const date of [saturday, sunday]) {
+                                        await models.ReferenceRate.upsertWithWhere(
+                                            {currencyFk: currency.id, dated: date},
+                                            {currencyFk: currency.id, dated: date, value: rate}
+                                        );
+                                    }
+                                }
                             }
                         }
                     }