diff -r f44bb52f760f -r ee2c8b29f389 src/DetailFermenter.cpp
--- a/src/DetailFermenter.cpp	Fri Jul 01 22:57:31 2022 +0200
+++ b/src/DetailFermenter.cpp	Sat Jul 02 11:23:13 2022 +0200
@@ -117,10 +117,11 @@
 
 	_node = query.value("node").toString();
 	_alias = query.value("alias").toString();
+	_uuid = query.value("uuid").toString();
 	_beercode = query.value("beercode").toString();
 	_beername = query.value("beername").toString();
 
-	ui->uuidEdit->setText(query.value("uuid").toString());
+	ui->uuidEdit->setText(_uuid);
 	ui->systemEdit->setText(_node+"/"+_alias);
 	ui->codePick->setItemText(0, _alias.toUpper()+" - "+_alias);
 
@@ -462,7 +463,7 @@
 
     QString msg = QString("{\"device\":\"fermenters\",\"node\":\"" + _node + "\",\"unit\":\"" + _alias + "\",");
     if (val == 0) {
-	msg.append(QString("\"beeruuid\":\"66ecccbf-e942-4a35-af49-8b02314561a5\","));
+	msg.append(QString("\"beeruuid\":\"") + _uuid + "\",");
 	msg.append(QString("\"beercode\":\"") + _alias.toUpper() + "\",");
 	msg.append(QString("\"beername\":\"") + _alias + "\",");
 	msg.append(QString("\"yeast_lo\":12.0,"));