diff --git a/private/Backup.py b/private/Backup.py
index bd324e2..97e10f6 100755
--- a/private/Backup.py
+++ b/private/Backup.py
@@ -53,7 +53,7 @@ class Backup:
 
 if __name__ == "__main__":
     try:
-        L = ListUsers.ListUsers(config['DEFAULT']['applications_db'], uap=args.unapproved, app=args.approved)
+        L = ListUsers.ListUsers(config['DEFAULT']['applications_db'], unapproved=args.unapproved, approved=args.approved)
         fetch = L.getFetch()
         B = Backup(args.file)
         B.BackupToFile(fetch)
diff --git a/private/Import.py b/private/Import.py
index 5e266ba..28f15c7 100755
--- a/private/Import.py
+++ b/private/Import.py
@@ -37,7 +37,7 @@ def ImportFromFile(fname: str, db: str, userids: tuple = tuple([])):
                 exit(0)
             import lib.sqlitedb
             import lib.System
-            sysctl = lib.System.System()
+            sysctl = lib.System.System(db)
             reader = csv.DictReader(f)  # @TODO csv.Sniffer to compare? When yes, give force-accept option
             for row in reader:
                 if row["status"] == "1":
diff --git a/private/ListUsers.py b/private/ListUsers.py
index 2b96b7d..e7c5e7b 100755
--- a/private/ListUsers.py
+++ b/private/ListUsers.py
@@ -4,23 +4,16 @@ from lib.sqlitedb import SQLitedb
 import configparser
 import lib.uis.default as default_cmd  # Follows -u, -a, -f flags
 
-default_cmd.argparser.description += " - Lists Users from the Tilde database."
-default_cmd.argparser.add_argument('--list', default=False, action="store_true",
-                                   help='Output a newline seperated list of users', required=False)
-args = default_cmd.argparser.parse_args()
-config = configparser.ConfigParser()
-config.read(args.config)
-
 
 class ListUsers:
     db = None
     usersFetch = None
 
-    def __init__(self, db: str, uap: bool = False, app: bool = True):
+    def __init__(self, db: str, unapproved: bool = False, approved: bool = True):
         self.db = SQLitedb(db)
-        if uap:  # only unapproved users
+        if unapproved:  # only unapproved users
             query = "SELECT * FROM `applications` WHERE `status` = '0'"
-        elif app:  # Approved users
+        elif approved:  # Approved users
             query = "SELECT * FROM `applications` WHERE `status` = '1'"
         else:  # All users
             query = "SELECT * FROM `applications`"
@@ -69,9 +62,15 @@ print(t.draw())
             ))
 """
 if __name__ == "__main__":
+    default_cmd.argparser.description += " - Lists Users from the Tilde database."
+    default_cmd.argparser.add_argument('--list', default=False, action="store_true",
+                                       help='Output a newline seperated list of users', required=False)
+    args = default_cmd.argparser.parse_args()
+    config = configparser.ConfigParser()
+    config.read(args.config)
     try:
         ret = ""
-        L = ListUsers(config['DEFAULT']['applications_db'], uap=args.unapproved, app=args.approved)
+        L = ListUsers(config['DEFAULT']['applications_db'], unapproved=args.unapproved, approved=args.approved)
         if args.list:
             ret = L.outputaslist()
         else:
diff --git a/private/editUsers.py b/private/editUsers.py
index 36bf62e..76e0d6f 100755
--- a/private/editUsers.py
+++ b/private/editUsers.py
@@ -47,7 +47,7 @@ if __name__ == "__main__":
             print(f"User {args.user} doesn't exist in the database.")
             exit(1)
         DB = lib.sqlitedb.SQLitedb(db)
-        Sysctl = lib.System.System()
+        Sysctl = lib.System.System(db)
         if not DB:
             print("Couldn't establish connection to database")
             exit(1)
diff --git a/private/lib/System.py b/private/lib/System.py
index 17de845..fa8dcd6 100644
--- a/private/lib/System.py
+++ b/private/lib/System.py
@@ -10,8 +10,9 @@ class System:
     dry = False
     create_command = []
     home = ""
+    db = None
 
-    def __init__(self, dryrun: bool = False, home: str = "/home/"):
+    def __init__(self, db: str, dryrun: bool = False, home: str = "/home/"):
         """Creates an objects. Can set dry run.
 
         :param dryrun: Run all command in a dry-run? When enabled, doesn't make any changes to the system (defaults to
@@ -21,6 +22,7 @@ class System:
         :type home: str
         """
 
+        self.db = db
         self.dry = dryrun
         if not home.endswith("/"):
             home += "/"
@@ -47,6 +49,7 @@ class System:
             rt = subprocess.call(cc)
             if rt != 0:
                 raise lib.UserExceptions.UserExistsAlready(f"User {username} exists already")
+            self._createUserIndex()
             return True
 
     def unregister(self, username: str):
@@ -184,8 +187,16 @@ class System:
             if ret != 0 and ret != 6:
                 raise lib.UserExceptions.UnknownReturnCode(
                     f"Could not delete user with command {cc}. Return code: {ret}")
+            self._createUserIndex()
             return True
 
+    def _createUserIndex(self, index_file: str = "/home/users.txt"):
+        import ListUsers
+        L = ListUsers.ListUsers(self.db, unapproved=False, approved=True)
+        user_list = L.outputaslist()
+        with open(index_file, "w") as f:
+            print(user_list, file=f)
+
 
 def AIO(username, pubkey, group="tilde"):
     syst = System(dryrun=False)