diff --git a/src/org/dclermonte/siba/gui/SibaGUI.java b/src/org/dclermonte/siba/gui/SibaGUI.java
index 3d35b7a..a46ee51 100644
--- a/src/org/dclermonte/siba/gui/SibaGUI.java
+++ b/src/org/dclermonte/siba/gui/SibaGUI.java
@@ -67,7 +67,7 @@ public class SibaGUI
 	 */
 	Locale locale;
 
-	JFrame frmSimpleBackup;
+	private JFrame frmSimpleBackup;
 	private BackupPanel backupPanel;
 	private CheckPanel checkPanel;