diff --git a/src/Modifier/QueryFilter.php b/src/Modifier/QueryFilter.php
index 32ba957c..f98f6a72 100644
--- a/src/Modifier/QueryFilter.php
+++ b/src/Modifier/QueryFilter.php
@@ -266,8 +266,8 @@ protected function applyIteratorSortBy(Iterator $iterator)
         $obj = new ArrayObject(iterator_to_array($iterator));
         $obj->uasort(function ($row_a, $row_b) {
             $res = 0;
-            foreach ($this->iterator_sort_by as $compareRows) {
-                if (0 !== ($res = call_user_func($compareRows, $row_a, $row_b))) {
+            foreach ($this->iterator_sort_by as $compare) {
+                if (0 !== ($res = call_user_func($compare, $row_a, $row_b))) {
                     break;
                 }
             }