only re-sort if more than one item

build/css/ox.ui.css

@@ -554,6 +554,7 @@ Lists
     top: 16px;
     right: 0;
     bottom: 0;
+    overflow-y: scroll;
 }
 .OxTextList .OxBody .OxContent {
     //width: 100%;

build/js/ox.ui.js

@@ -2876,8 +2876,10 @@ requires
         }
 
         function updateSort() {
-            clear();
-            getPositions();
+            if (self.listLength > 1) {
+                clear();
+                getPositions();
+            }
         }
 
         self.onChange = function(key, value) {