diff --git a/app/Helpers/Invoice/InvoiceItemSum.php b/app/Helpers/Invoice/InvoiceItemSum.php
index ef2cddb0ef3b..76ba72ca5e4f 100644
--- a/app/Helpers/Invoice/InvoiceItemSum.php
+++ b/app/Helpers/Invoice/InvoiceItemSum.php
@@ -332,7 +332,7 @@ class InvoiceItemSum
 
     public function setLineTotal($total)
     {
-        $this->item->line_total = $total;
+        $this->item->line_total = (float) $total;
 
         return $this;
     }