diff --git a/src/Entity/Invoice.php b/src/Entity/Invoice.php
index 2353b925..305c7d84 100644
--- a/src/Entity/Invoice.php
+++ b/src/Entity/Invoice.php
@@ -59,8 +59,7 @@ class Invoice
      */
     protected $items;
 
-    // total discount (amount, not %) for resq
-    // for cmb, discount is the percentage
+    // total discount (amount, not %)
     /**
      * @ORM\Column(type="decimal", precision=9, scale=2)
      */
diff --git a/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php b/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
index fa13b752..f1563d63 100644
--- a/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
+++ b/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
@@ -385,17 +385,13 @@ class CMBInvoiceGenerator implements InvoiceGeneratorInterface
 
     protected function processDiscount(&$total, InvoiceCriteria $criteria, Invoice $invoice)
     {
-        $rate = 0;
+        $discount = 0;
         $meta = $criteria->getMeta();
         if (isset($meta['discount']))
-            $rate = $meta['discount'];
+            $discount = $meta['discount'];
         else
             return;
 
-        // compute discount
-        $rate = $rate * 0.01;
-        $discount = round($total['sell_price'] * $rate, 2);
-
         // if discount is higher than 0, display in invoice
         if ($discount > 0)
         {