1 files changed, 1 insertions, 1 deletions
diff --git a/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp b/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
index 50d5a166..1ec080a6 100644
--- a/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
+++ b/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
@@ -998,7 +998,7 @@ bool XsdValidatingInstanceReader::validateKeyIdentityConstraint(const XsdElement
         return false;
 
     // 4.2.3
-    for (const TargetNode node : qualifiedNodeSet) {
+    for (const TargetNode &node : qualifiedNodeSet) {
         const QVector<QXmlItem> fieldItems = node.fieldItems();
         for (int i = 0; i < fieldItems.count(); ++i) {
             const QXmlNodeModelIndex index = fieldItems.at(i).toNodeModelIndex();