diff --git a/htdocs/bom/tpl/objectline_title.tpl.php b/htdocs/bom/tpl/objectline_title.tpl.php
index b6197342136..ab0184189a8 100644
--- a/htdocs/bom/tpl/objectline_title.tpl.php
+++ b/htdocs/bom/tpl/objectline_title.tpl.php
@@ -52,7 +52,7 @@ if (!empty($conf->global->MAIN_VIEW_LINE_NUMBER)) print '<td class="linecolnum c
 print '<td class="linecoldescription">'.$langs->trans('Description').'</td>';
 
 // Qty
-print '<td class="linecolqty right">'.$langs->trans('Qty').'</td>';
+print '<td class="linecolqty right">'.$form->textwithpicto($langs->trans('Qty'), $langs->trans("QtyRequiredIfNoLoss")).'</td>';
 
 if ($conf->global->PRODUCT_USE_UNITS)
 {
diff --git a/htdocs/langs/en_US/mrp.lang b/htdocs/langs/en_US/mrp.lang
index d3591be3f1d..d3c4d3253c6 100644
--- a/htdocs/langs/en_US/mrp.lang
+++ b/htdocs/langs/en_US/mrp.lang
@@ -56,6 +56,7 @@ ToConsume=To consume
 ToProduce=To produce
 QtyAlreadyConsumed=Qty already consumed
 QtyAlreadyProduced=Qty already produced
+QtyRequiredIfNoLoss=Qty required if there is no loss (Manufacturing efficiency is 100%%)
 ConsumeOrProduce=Consume or Produce
 ConsumeAndProduceAll=Consume and Produce All
 Manufactured=Manufactured