diff --git a/NeoBoot/files/tools.py b/NeoBoot/files/tools.py
index 131562e..308ad15 100644
--- a/NeoBoot/files/tools.py
+++ b/NeoBoot/files/tools.py
@@ -2306,7 +2306,7 @@ class Opis(Screen):
             if answer is True:
                 os.system('touch /tmp/.upneo; chattr -i ' + LinkNeoBoot + '/plugin.py')
                 if fileExists('' + LinkNeoBoot +'/plugin.pyo'):
-                        cmd3 = 'chattr -i ' + target + '' + LinkNeoBoot +'/plugin.pyo'               
+                        os.system('chattr -i ' + target + '' + LinkNeoBoot +'/plugin.pyo')               
                 if fileExists('' + LinkNeoBoot + '/.location'):
                         system('rm -f ' + LinkNeoBoot + '/.location')
                 if fileExists('/usr/bin/curl'):