diff --git a/src/map/ENC/iso8211.cpp b/src/map/ENC/iso8211.cpp
index c65252f5..40a1d05d 100644
--- a/src/map/ENC/iso8211.cpp
+++ b/src/map/ENC/iso8211.cpp
@@ -218,8 +218,10 @@ bool ISO8211::readDDR()
 	for (int i = 0; i < fields.size(); i++) {
 		SubFields def;
 		if (!readDDA(fields.at(i), def)) {
+			QByteArray tag(sizeof(quint32), Qt::Initialization::Uninitialized);
+			qToLittleEndian<quint32>(fields.at(i).tag, tag.data());
 			_errorString = QString("Error reading %1 DDA field")
-			  .arg(QString(QByteArray((char*)&fields.at(i).tag, 4)));
+			  .arg(QString(tag));
 			return false;
 		}
 		_map.insert(fields.at(i).tag, def);
@@ -323,14 +325,16 @@ bool ISO8211::readRecord(Record &record)
 
 		FieldsMap::const_iterator it(_map.find(def.tag));
 		if (it == _map.constEnd()) {
-			_errorString = QString("%1: unknown record")
-			  .arg(QString(QByteArray((char*)&def.tag, 4)));
+			QByteArray tag(sizeof(quint32), Qt::Initialization::Uninitialized);
+			qToLittleEndian<quint32>(def.tag, tag.data());
+			_errorString = QString("%1: unknown record").arg(QString(tag));
 			return false;
 		}
 
 		if (!readUDA(pos, def, it->defs(), it->repeat(), data)) {
-			_errorString = QString("Error reading %1 record")
-			  .arg(QString(QByteArray((char*)&def.tag, 4)));
+			QByteArray tag(sizeof(quint32), Qt::Initialization::Uninitialized);
+			qToLittleEndian<quint32>(def.tag, tag.data());
+			_errorString = QString("Error reading %1 record").arg(QString(tag));
 			return false;
 		}