diff --git a/htdocs/langs/en_US/stocks.lang b/htdocs/langs/en_US/stocks.lang
index 59f510a6bf2..4d1713266f6 100644
--- a/htdocs/langs/en_US/stocks.lang
+++ b/htdocs/langs/en_US/stocks.lang
@@ -253,4 +253,5 @@ LabelOfInventoryMovemement=Inventory %s
 ReOpen=Reopen
 ConfirmFinish=Do you confirm the closing of the inventory ? This will generate all stock movements to update your stock.
 ObjectNotFound=%s not found
-MakeMovementsAndClose=Generate movements and close
\ No newline at end of file
+MakeMovementsAndClose=Generate movements and close
+AutofillWithExpected=Auto-fill with real quantity expected quantity
\ No newline at end of file
diff --git a/htdocs/product/inventory/inventory.php b/htdocs/product/inventory/inventory.php
index 8d3378fb779..764c1bd78c9 100644
--- a/htdocs/product/inventory/inventory.php
+++ b/htdocs/product/inventory/inventory.php
@@ -466,6 +466,20 @@ if ($object->id > 0) {
 		} else {
 			print '<a class="classfortooltip" href="#" title="'.dol_escape_htmltag($langs->trans("NotEnoughPermissions")).'">'.$langs->trans("Save").'</a>'."\n";
 		}
+		if ($permissiontoadd && $conf->use_javascript_ajax) {
+			print '&nbsp;';
+			print '<script>';
+			print 'function fillWithExpected(){
+				$(".expectedqty").each(function(){
+				  var object = $(this)[0]
+				  var objecttofill = $("#"+object.id+"_input")[0]
+				  objecttofill.value = object.innerText
+				})
+				console.log("Values filled")
+			  }';
+			print '</script>';
+			print '<a class="butAction" onclick="fillWithExpected()">'.$langs->trans('AutofillWithExpected').'</a>';
+		}
 		print '<br>';
 		print '<br>';
 		print '</center>';
@@ -603,13 +617,13 @@ if ($object->id > 0) {
 				print '</td>';
 			}
 
-			print '<td class="right">';
+			print '<td class="right expectedqty" id="id_'.$obj->rowid.'">';
 			print $obj->qty_stock;
 			print '</td>';
 			print '<td class="center">';
 			if ($object->status == $object::STATUS_VALIDATED) {
 				$qty_view = GETPOST("id_".$obj->rowid) ? GETPOST("id_".$obj->rowid) : $obj->qty_view;
-				print '<input type="text" class="maxwidth75 right" name="id_'.$obj->rowid.'" value="'.$qty_view.'">';
+				print '<input type="text" class="maxwidth75 right" id="id_'.$obj->rowid.'_input" value="'.$qty_view.'">';
 				print '</td>';
 				print '<td class="right">';
 				print '<a class="reposition" href="'.DOL_URL_ROOT.'/product/inventory/inventory.php?id='.$object->id.'&lineid='.$obj->rowid.'&action=deleteline&token='.newToken().'">'.img_delete().'</a>';