diff --git a/invoice.php b/invoice.php
index 0076b6d3..38f5ec1f 100644
--- a/invoice.php
+++ b/invoice.php
@@ -261,7 +261,7 @@ if(isset($_GET['invoice_id'])){
                   <td><input type="number" step="0.01" class="form-control" style="text-align: right;" name="price" placeholder="Price"></td>
                   <td>
                     
-                    <select class="form-control select2" name="client" required>
+                    <select class="form-control select2" name="tax" required>
                       <option value="0.00">None</option>
                       <?php 
                       
diff --git a/post.php b/post.php
index fd21b7d2..651391ff 100644
--- a/post.php
+++ b/post.php
@@ -2340,7 +2340,7 @@ if(isset($_POST['add_invoice_item'])){
     $tax = floatval($_POST['tax']);
     
     $subtotal = $price * $qty;
-    $tax = $subtotal * $tax;
+    $tax = $subtotal * $tax / 100;
     $total = $subtotal + $tax;
 
     mysqli_query($mysqli,"INSERT INTO invoice_items SET item_name = '$name', item_description = '$description', item_quantity = $qty, item_price = '$price', item_subtotal = '$subtotal', item_tax = '$tax', item_total = '$total', item_created_at = NOW(), invoice_id = $invoice_id, company_id = $session_company_id");