diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 62ff8295995..3d62245868f 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1424,6 +1424,7 @@ class Form
                 $outkey=$objp->idprodfournprice;
                 $outref=$objp->ref;
                 $outval='';
+                $outqty=1;
 
                 $opt = '<option value="'.$objp->idprodfournprice.'"';
                 if ($selected && $selected == $objp->idprodfournprice) $opt.= ' selected="selected"';
@@ -1451,6 +1452,7 @@ class Form
 
                     $opt.= price($objp->fprice).' '.$currencytext."/".$objp->quantity;
                     $outval.= price($objp->fprice).' '.$currencytextnoent."/".$objp->quantity;
+                    $outqty=$objp->quantity;
                     if ($objp->quantity == 1)
                     {
                         $opt.= strtolower($langs->trans("Unit"));
@@ -1488,7 +1490,7 @@ class Form
                 // "key" value of json key array is used by jQuery automatically as selected value
                 // "label" value of json key array is used by jQuery automatically as text for combo box
                 $outselect.=$opt;
-                array_push($outjson, array('key'=>$outkey, 'value'=>$outref, 'label'=>$outval, 'disabled'=>(empty($objp->idprodfournprice)?true:false)));
+                array_push($outjson, array('key'=>$outkey, 'value'=>$outref, 'label'=>$outval, 'qty'=>$outqty, 'disabled'=>(empty($objp->idprodfournprice)?true:false)));
 
                 $i++;
             }
diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index cb42f03bfb9..73f95e6fda2 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -66,7 +66,13 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
 										$("#'.$htmlname.'").val(item.key).trigger("change");
 									}
 									var label = item.label.toString();
-									return { label: label, value: item.value, id: item.key, disabled: item.disabled }
+									var update = {};
+									if (options.update) {
+										$.each(options.update, function(key, value) {
+											update[key] = item[value];
+										});
+									}
+									return { label: label, value: item.value, id: item.key, update: update, disabled: item.disabled }
 								}));
 							}, "json");
 						},
@@ -74,6 +80,7 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
     					minLength: '.$minLength.',
     					select: function( event, ui ) {
     						$("#'.$htmlname.'").val(ui.item.id).trigger("change");
+    						// Disable an element
     						if (options.disabled) {
     							if (ui.item.disabled) {
     								$("#" + options.disabled).attr("disabled", "disabled");
@@ -84,6 +91,12 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
     								$("#" + options.disabled).removeAttr("disabled");
     							}
     						}
+    						// Update an element
+    						if (ui.item.update) {
+    							$.each(ui.item.update, function(key, value) {
+    								$("#" + key).val(value);
+    							});
+    						}
     					}
 					}).data( "autocomplete" )._renderItem = function( ul, item ) {
 						return $( "<li></li>" )
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 92d5105cd48..1d08ed2b038 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -1530,7 +1530,11 @@ if ($id > 0 || ! empty($ref))
                 print '<tr '.$bc[$var].'>';
                 print '<td colspan="3">';
 
-                $ajaxoptions=array('disabled' => 'addPredefinedProductButton', 'error' => $langs->trans("NoPriceDefinedForThisSupplier"));
+                $ajaxoptions=array(
+                		'update' => array('pqty' => 'qty'),
+                		'disabled' => 'addPredefinedProductButton',
+                		'error' => $langs->trans("NoPriceDefinedForThisSupplier")
+                );
                 $form->select_produits_fournisseurs($object->fourn_id, '', 'idprodfournprice', '', '', $ajaxoptions);
 
                 if (empty($conf->global->PRODUIT_USE_SEARCH_TO_SELECT)) print '<br>';
@@ -1547,7 +1551,7 @@ if ($id > 0 || ! empty($ref))
                 $doleditor->Create();
 
                 print '</td>';
-                print '<td align="right"><input type="text" size="2" name="pqty" value="'.(GETPOST('pqty')?GETPOST('pqty'):'1').'"></td>';
+                print '<td align="right"><input type="text" size="2" id="pqty" name="pqty" value="'.(GETPOST('pqty')?GETPOST('pqty'):'1').'"></td>';
                 print '<td align="right" nowrap="nowrap"><input type="text" size="1" name="p_remise_percent" value="'.(GETPOST('p_remise_percent')?GETPOST('p_remise_percent'):$soc->remise_client).'">%</td>';
                 print '<td align="center" colspan="4"><input type="submit" id="addPredefinedProductButton" class="button" value="'.$langs->trans('Add').'"></td>';
                 print '</tr>';
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index fad6aa855e2..02a7167ad51 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -1806,7 +1806,11 @@ else
                 print '<tr '.$bc[$var].'>';
                 print '<td colspan="4">';
 
-                $ajaxoptions=array('disabled' => 'addPredefinedProductButton', 'error' => $langs->trans("NoPriceDefinedForThisSupplier"));
+                $ajaxoptions=array(
+                		'update' => array('pqty' => 'qty'),
+                		'disabled' => 'addPredefinedProductButton',
+                		'error' => $langs->trans("NoPriceDefinedForThisSupplier")
+                );
                 $form->select_produits_fournisseurs($object->socid, '', 'idprodfournprice', '', '', $ajaxoptions);
 
                 if (empty($conf->global->PRODUIT_USE_SEARCH_TO_SELECT)) print '<br>';
@@ -1823,7 +1827,7 @@ else
 				$doleditor->Create();
 
                 print '</td>';
-                print '<td align="right"><input type="text" name="qty" value="1" size="1"></td>';
+                print '<td align="right"><input type="text" id="pqty" name="qty" value="1" size="1"></td>';
                 print '<td>&nbsp;</td>';
                 print '<td>&nbsp;</td>';
                 print '<td align="center" valign="middle" colspan="2"><input type="submit" id="addPredefinedProductButton" class="button" value="'.$langs->trans("Add").'"></td>';