diff --git a/configurator.py b/configurator.py
index 87af57e..f053d95 100755
--- a/configurator.py
+++ b/configurator.py
@@ -3497,6 +3497,7 @@ def load_settings(settingsfile):
             ipaddress.ip_network(net)
         except Exception:
             LOG.warning("Invalid network in ALLOWED_NETWORKS: %s", net)
+            ALLOWED_NETWORKS.remove(net)
     BANNED_IPS = settings.get("BANNED_IPS", BANNED_IPS)
     if BANNED_IPS and not all(BANNED_IPS):
         LOG.warning("Invalid value for BANNED_IPS. Using empty list.")
@@ -3506,6 +3507,7 @@ def load_settings(settingsfile):
             ipaddress.ip_address(banned_ip)
         except Exception:
             LOG.warning("Invalid IP address in BANNED_IPS: %s", banned_ip)
+            BANNED_IPS.remove(banned_ip)
     BANLIMIT = settings.get("BANLIMIT", BANLIMIT)
     DEV = settings.get("DEV", DEV)
     IGNORE_PATTERN = settings.get("IGNORE_PATTERN", IGNORE_PATTERN)