Index: src/system/classes/listing/ProductListingContentControl.inc.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/system/classes/listing/ProductListingContentControl.inc.php	(revision 85e43d756b20ae84b8ec509f85cb13759e0c540b)
+++ src/system/classes/listing/ProductListingContentControl.inc.php	(date 1598520812671)
@@ -1,6 +1,6 @@
 <?php
 /* --------------------------------------------------------------
-   ProductListingContentControl.inc.php 2020-02-10
+   ProductListingContentControl.inc.php 2020-08-27
    Gambio GmbH
    http://www.gambio.de
    Copyright (c) 2020 Gambio GmbH
@@ -1199,6 +1199,10 @@
                         $t_sorting = $t_orderby;
                     }
                 }
+                else
+                {
+                    $t_sorting .= ', p.products_sort ASC';
+                }
 
                 // We are asked to show only a specific category
                 if (GROUP_CHECK == 'true') {
@@ -1278,6 +1282,10 @@
                         $t_sorting = $t_orderby;
                     }
                 }
+                else
+                {
+                    $t_sorting .= ', p.products_sort ASC';
+                }
 
                 // sort by price
                 if (strpos($t_orderby, 'p.products_price') !== false) {
@@ -1395,6 +1403,10 @@
                     $t_sorting = $t_orderby;
                 }
             }
+            else
+                {
+                    $t_sorting .= ', p.products_sort ASC';
+                }
 
             // sort by price
             if (strpos($t_orderby, 'p.products_price') !== false) {
@@ -1558,6 +1570,10 @@
                     $t_sorting = $t_orderby;
                 }
             }
+            else
+                {
+                    $t_sorting .= ', p.products_sort ASC';
+                }
 
             // filter is active
             $coo_finder = MainFactory::create_object('IndexFeatureProductFinder');
@@ -1664,6 +1680,10 @@
                     $t_sorting = $t_orderby;
                 }
             }
+            else
+                {
+                    $t_sorting .= ', p.products_sort ASC';
+                }
 
             // sort by price
             if (strpos($t_orderby, 'p.products_price') !== false) {