diff --git a/htdocs/product/inventory/inventory.php b/htdocs/product/inventory/inventory.php
index 85cd0932f46..95000d37055 100644
--- a/htdocs/product/inventory/inventory.php
+++ b/htdocs/product/inventory/inventory.php
@@ -564,6 +564,11 @@ if ($object->id > 0) {
 	print '<td class="center">';
 	print $form->textwithpicto($langs->trans("RealQty"), $langs->trans("InventoryRealQtyHelp"));
 	print '</td>';
+
+	print '<td class="right">';
+	print $form->textwithpicto($langs->trans("Delta"), $langs->trans("InventoryRealQtyHelp"));
+	print '</td>';
+
 	if ($object->status == $object::STATUS_VALIDATED) {
 		// Actions
 		print '<td class="center">';
@@ -590,6 +595,7 @@ if ($object->id > 0) {
 		print '<input type="text" name="qtytoadd" class="maxwidth75" value="">';
 		print '</td>';
 		// Actions
+		print '<td></td>';
 		print '<td class="center">';
 		print '<input type="submit" class="button paddingright" name="addline" value="'.$langs->trans("Add").'">';
 		print '</td>';
@@ -657,13 +663,20 @@ if ($object->id > 0) {
 			print $obj->qty_stock;
 			print '</td>';
 
-			// Real quantity
+			// Delta quantity
 			print '<td class="center">';
 			if ($object->status == $object::STATUS_VALIDATED) {
 				$qty_view = GETPOST("id_".$obj->rowid) && price2num(GETPOST("id_".$obj->rowid), 'MS') >= 0 ? GETPOST("id_".$obj->rowid) : $obj->qty_view;
 				$totalfound += price2num($qty_view, 'MS');
 				print '<input type="text" class="maxwidth75 right realqty" name="id_'.$obj->rowid.'" id="id_'.$obj->rowid.'_input" value="'.$qty_view.'">';
 				print '</td>';
+
+				// Delta quantity
+				$dt = $obj->qty_view - $obj->qty_stock;
+				print '<td class="maxwidth75 right deltaqty" id="id_'.$obj->rowid.'">';
+				if($dt != 0) print $dt;
+				print '</td>';
+
 				print '<td class="right">';
 				print '<a class="reposition" href="'.DOL_URL_ROOT.'/product/inventory/inventory.php?id='.$object->id.'&lineid='.$obj->rowid.'&action=deleteline&token='.newToken().'">'.img_delete().'</a>';
 				print '</td>';
@@ -671,7 +684,16 @@ if ($object->id > 0) {
 				print $obj->qty_view;
 				$totalfound += $obj->qty_view;
 				print '</td>';
+				
+				// Delta quantity
+				$dt = $obj->qty_view - $obj->qty_stock;
+				print '<td class="right expectedqty" id="id_'.$obj->rowid.'">';
+				if($dt != 0) print $dt;
+				print '</td>';
+
 			}
+			
+			
 			print '</tr>';
 
 			$i++;