fix backup
diff --git a/extendedcommands.h b/extendedcommands.h
index ddb619c..8a5a1f2 100644
--- a/extendedcommands.h
+++ b/extendedcommands.h
@@ -17,7 +17,7 @@
 ui_set_show_text(int value);
 
 int
-do_nandroid_backup();
+do_nandroid_backup(char* backup_name);
 
 int
 do_nandroid_restore();