--- a/cps/constants.py	2022-03-06 16:10:41.000000000 +0100
+++ b/cps/constants.py	2022-03-08 21:06:19.917000241 +0100
@@ -27,7 +27,7 @@
 HOME_CONFIG = os.path.isfile(os.path.join(os.path.dirname(os.path.abspath(__file__)), '.HOMEDIR'))
 
 # In executables updater is not available, so variable is set to False there
-UPDATER_AVAILABLE = True
+UPDATER_AVAILABLE = False
 
 # Base dir is parent of current file, necessary if called from different folder
 BASE_DIR            = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir))
@@ -124,12 +124,12 @@
 DEFAULT_MAIL_SERVER = "mail.example.org"
 
 DEFAULT_PASSWORD    = "admin123"  # nosec
-DEFAULT_PORT        = 8083
+DEFAULT_PORT        = __PORT__
 env_CALIBRE_PORT = os.environ.get("CALIBRE_PORT", DEFAULT_PORT)
 try:
     DEFAULT_PORT = int(env_CALIBRE_PORT)
 except ValueError:
-    print('Environment variable CALIBRE_PORT has invalid value (%s), faling back to default (8083)' % env_CALIBRE_PORT)
+    print('Environment variable CALIBRE_PORT has invalid value (%s), faling back to default (__PORT__)' % env_CALIBRE_PORT)
 del env_CALIBRE_PORT