diff --git a/libConfig/xmlconfig.cpp b/libConfig/xmlconfig.cpp
index 27ffe8f..13b8cb8 100644
--- a/libConfig/xmlconfig.cpp
+++ b/libConfig/xmlconfig.cpp
@@ -148,13 +148,11 @@ void XMLConfig::setMap(const QList<QString> &path, const QHash<QString, QString>
 {
     auto root = doc_ins.documentElement();
     auto telm = rebuild_exists_elms(root, path);
-    auto childs = telm.childNodes();
+    auto childs = telm.elementsByTagName("list");
 
-    QList<QDomNode> nodes;
-    for(auto idx=0; idx<childs.count(); ++idx){
-        auto child = childs.at(idx);
-        if(child.isElement() && child.toElement().tagName() == "map")
-            telm.removeChild(child);
+    for (auto idx = childs.count() - 1; idx >= 0; --idx) {
+        auto node = childs.at(idx);
+        telm.removeChild(node);
     }
 
     for(auto &key : map.keys()){