diff --git a/modules/backend/widgets/Lists.php b/modules/backend/widgets/Lists.php
index 614cb19ef..0e42bbb80 100644
--- a/modules/backend/widgets/Lists.php
+++ b/modules/backend/widgets/Lists.php
@@ -486,7 +486,7 @@ class Lists extends WidgetBase
         /*
          * Apply sorting
          */
-        if ($sortColumn = $this->getSortColumn()) {
+        if (($sortColumn = $this->getSortColumn()) && !$this->showTree) {
             if (($column = array_get($this->allColumns, $sortColumn)) && $column->valueFrom) {
                 $sortColumn = $this->isColumnPivot($column)
                     ? 'pivot_' . $column->valueFrom