diff --git a/modules/invoiceIn/back/methods/invoice-in/specs/exchangeRateUpdate.spec.js b/modules/invoiceIn/back/methods/invoice-in/specs/exchangeRateUpdate.spec.js
index 70e7dbad7..4b53f65c6 100644
--- a/modules/invoiceIn/back/methods/invoice-in/specs/exchangeRateUpdate.spec.js
+++ b/modules/invoiceIn/back/methods/invoice-in/specs/exchangeRateUpdate.spec.js
@@ -141,4 +141,50 @@ describe('exchangeRateUpdate functionality', function() {
 
         expect(afterCount - beforeCount).toBe(4);
     });
+
+    fit('should create entries for day1 and day2 from the feed, and not backfill day3', async function() {
+        const lastRate = await models.ReferenceRate.findOne({order: 'dated DESC'}, options);
+        if (!lastRate) return fail('No existing ReferenceRate data in DB');
+
+        const currency = await models.Currency.findById(lastRate.currencyFk, null, options);
+        if (!currency) return fail(`No currency for ID ${lastRate.currencyFk}`);
+
+        const day1 = new Date(lastRate.dated);
+        day1.setDate(day1.getDate() + 1);
+
+        const day2 = new Date(lastRate.dated);
+        day2.setDate(day2.getDate() + 2);
+
+        const day3 = new Date(lastRate.dated);
+        day3.setDate(day3.getDate() + 3);
+
+        const xml = `<Cube>
+          <Cube time='${formatYmd(day1)}'>
+            <Cube currency='${currency.code}' rate='1.1'/>
+          </Cube>
+          <Cube time='${formatYmd(day2)}'>
+            <Cube currency='${currency.code}' rate='2.2'/>
+          </Cube>
+        </Cube>`;
+
+        axios.get.and.returnValue(Promise.resolve({data: xml}));
+
+        await models.InvoiceIn.exchangeRateUpdate(options);
+
+        const day3Record = await models.ReferenceRate.findOne({
+            where: {currencyFk: currency.id, dated: day3}
+        }, options);
+
+        expect(day3Record).toBeNull();
+
+        const day1Record = await models.ReferenceRate.findOne({
+            where: {currencyFk: currency.id, dated: day1}
+        }, options);
+        const day2Record = await models.ReferenceRate.findOne({
+            where: {currencyFk: currency.id, dated: day2}
+        }, options);
+
+        expect(day1Record.value).toBeCloseTo('1.1');
+        expect(day2Record.value).toBeCloseTo('2.2');
+    });
 });