2 files changed, 20 insertions, 2 deletions
diff --git a/addons/web/static/src/js/core/utils.js b/addons/web/static/src/js/core/utils.js
index ac9310dce90..acf8ca4d68d 100644
--- a/addons/web/static/src/js/core/utils.js
+++ b/addons/web/static/src/js/core/utils.js
@@ -349,6 +349,23 @@ var utils = {
         ].join(';');
     },
     /**
+     * Sort an array in place, keeping the initial order for identical values.
+     *
+     * @param {Array} array
+     * @param {function} iteratee
+     */
+    stableSort: function (array, iteratee) {
+        var stable = array.slice();
+        return array.sort(function stableCompare (a, b) {
+            var order = iteratee(a, b);
+            if (order !== 0) {
+                return order;
+            } else {
+                return stable.indexOf(a) - stable.indexOf(b);
+            }
+        });
+    },
+    /**
      * @param {any} array
      * @param {any} elem1
      * @param {any} elem2
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 8a9fd496b39..78e9216be62 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -89,6 +89,7 @@ var Context = require('web.Context');
 var core = require('web.core');
 var Domain = require('web.Domain');
 var session = require('web.session');
+var utils = require('web.utils');
 
 var _t = core._t;
 
@@ -3833,7 +3834,7 @@ var BasicModel = AbstractModel.extend({
             for (var k = 0; k < list.orderedResIDs.length; k++) {
                 orderedResIDs[list.orderedResIDs[k]] = k;
             }
-            list.res_ids.sort(function compareResIdIndexes (resId1, resId2) {
+            utils.stableSort(list.res_ids, function compareResIdIndexes (resId1, resId2) {
                 if (!(resId1 in orderedResIDs) && !(resId2 in orderedResIDs)) {
                     return 0;
                 }
@@ -3878,7 +3879,7 @@ var BasicModel = AbstractModel.extend({
                 }
                 return compareRecords(record1ID, record2ID, level + 1);
             };
-            list.res_ids.sort(compareRecords);
+            utils.stableSort(list.res_ids, compareRecords);
         }
         this._setDataInRange(list);
     },