From 91764331f0a9b076dc27f0722e663c58728c142f Mon Sep 17 00:00:00 2001
From: hneemann <helmut.neemann@arcor.de>
Date: Thu, 14 Nov 2019 19:24:22 +0100
Subject: [PATCH] fixes #379

---
 .../de/neemann/digital/gui/components/CircuitComponent.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
index 7e5adb0a3..0862c52ce 100644
--- a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
+++ b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
@@ -1168,7 +1168,10 @@ public class CircuitComponent extends JComponent implements ChangedListener, Lib
 
     private Modification<Circuit> checkNetRename(VisualElement element, ElementAttributes modified, Modification<Circuit> mod) {
         String oldName = element.getElementAttributes().get(Keys.NETNAME);
-        if (element.equalsDescription(Tunnel.DESCRIPTION) && modified.contains(Keys.NETNAME) && !oldName.isEmpty()) {
+        if (element.equalsDescription(Tunnel.DESCRIPTION)
+                && modified.contains(Keys.NETNAME)
+                && !modified.get(Keys.NETNAME).equals(oldName)
+                && !oldName.isEmpty()) {
 
             List<VisualElement> others = getCircuit().getElements(el -> el != element
                     && el.equalsDescription(Tunnel.DESCRIPTION)