diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index ce161b362..4c8c00e9b 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -1,9 +1,12 @@
 /*********************************************************************************************\
+ * 6.6.0.3 20190725
+ * Change filename of configuration backup from using FriendlyName1 to Hostname solving diacritic issues (#2422)
+ *
  * 6.6.0.2 20190714
+ * Change commands Var and Mem to show all parameters when no index is given (#6107)
  * Add command SetOption67 0/1 to disable or enable a buzzer as used in iFan03
  * Add command DisplayWidth to set pixel width on supported devices
  * Add command DisplayHeight to set pixel height on supported devices
- * Change commands Var and Mem to show all parameters when no index is given (#6107)
  * Add support for Sonoff iFan03 as module 71 (#5988)
  * Add support for a buzzer
  * Add support for IRSend long press ('repeat' feature from IRRemoteESP8266) (#6074)
diff --git a/sonoff/sonoff_version.h b/sonoff/sonoff_version.h
index d35c27fa9..5caedf62f 100644
--- a/sonoff/sonoff_version.h
+++ b/sonoff/sonoff_version.h
@@ -20,6 +20,6 @@
 #ifndef _SONOFF_VERSION_H_
 #define _SONOFF_VERSION_H_
 
-const uint32_t VERSION = 0x06060002;
+const uint32_t VERSION = 0x06060003;
 
 #endif  // _SONOFF_VERSION_H_
diff --git a/sonoff/xdrv_01_webserver.ino b/sonoff/xdrv_01_webserver.ino
index e52ee3eb4..7b57e9b4d 100644
--- a/sonoff/xdrv_01_webserver.ino
+++ b/sonoff/xdrv_01_webserver.ino
@@ -1673,8 +1673,13 @@ void HandleBackupConfiguration(void)
   WebServer->setContentLength(sizeof(Settings));
 
   char attachment[100];
-  char friendlyname[sizeof(Settings.friendlyname[0])];
-  snprintf_P(attachment, sizeof(attachment), PSTR("attachment; filename=Config_%s_%s.dmp"), NoAlNumToUnderscore(friendlyname, Settings.friendlyname[0]), my_version);
+
+//  char friendlyname[sizeof(Settings.friendlyname[0])];
+//  snprintf_P(attachment, sizeof(attachment), PSTR("attachment; filename=Config_%s_%s.dmp"), NoAlNumToUnderscore(friendlyname, Settings.friendlyname[0]), my_version);
+
+  char hostname[sizeof(my_hostname)];
+  snprintf_P(attachment, sizeof(attachment), PSTR("attachment; filename=Config_%s_%s.dmp"), NoAlNumToUnderscore(hostname, my_hostname), my_version);
+
   WebServer->sendHeader(F("Content-Disposition"), attachment);
 
   WSSend(200, CT_STREAM, "");