Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp	(revision 78494)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp	(revision 78495)
@@ -2825,5 +2825,7 @@
             {
                 /* Getting Controller Name: */
-                mLeName->setText(m_pModelStorage->data(index, StorageModel::R_CtrName).toString());
+                const QString strCtrName = m_pModelStorage->data(index, StorageModel::R_CtrName).toString();
+                if (mLeName->text() != strCtrName)
+                    mLeName->setText(strCtrName);
 
                 /* Getting Controller Sub type: */