diff --git a/core/DataTable.php b/core/DataTable.php
index c7435b2b3cc..895645af0fb 100644
--- a/core/DataTable.php
+++ b/core/DataTable.php
@@ -1118,6 +1118,8 @@ public function getSerialized($maximumRowsInDataTable = null,
                 $depth++;
                 $aSerializedDataTable = $aSerializedDataTable + $subTable->getSerialized($maximumRowsInSubDataTable, $maximumRowsInSubDataTable, $columnToSortByBeforeTruncation);
                 $depth--;
+            } else {
+                $row->removeSubtable();
             }
         }
         // we load the current Id of the DataTable