diff --git a/app/Helpers/Invoice/InvoiceItemSum.php b/app/Helpers/Invoice/InvoiceItemSum.php
index 3d419a66ae9d..62384287d58f 100644
--- a/app/Helpers/Invoice/InvoiceItemSum.php
+++ b/app/Helpers/Invoice/InvoiceItemSum.php
@@ -198,7 +198,7 @@ class InvoiceItemSum
 
     private function push(): self
     {
-        $this->sub_total += $this->getLineTotal();
+        $this->sub_total += round($this->getLineTotal(), $this->currency->precision);
 
         $this->gross_sub_total += $this->getGrossLineTotal();
 
@@ -333,6 +333,18 @@ class InvoiceItemSum
         return $this;
     }
 
+    public function getRoundedLineTotal(): float
+    {
+        $total = 0;
+
+        foreach($this->line_items as $item)
+        {
+            $total += round($item->line_total, $this->currency->precision);
+        }
+
+        return $total;
+    }
+
     public function getLineTotal()
     {
         return $this->item->line_total;
diff --git a/tests/Unit/InvoiceTest.php b/tests/Unit/InvoiceTest.php
index 6f189a41777a..305e1e86704d 100644
--- a/tests/Unit/InvoiceTest.php
+++ b/tests/Unit/InvoiceTest.php
@@ -107,7 +107,7 @@ class InvoiceTest extends TestCase
 
         $invoice = $invoice->calc()->getInvoice();
 
-        $this->assertEquals(57.90, $invoice->amount);
+        $this->assertEquals(57.92, $invoice->amount);
 
     }