diff --git a/daemons/shell_accounts.py b/daemons/shell_accounts.py
index 2ebda49..8e8303f 100644
--- a/daemons/shell_accounts.py
+++ b/daemons/shell_accounts.py
@@ -45,7 +45,7 @@ def run():
             username = random.choice(config.shell_user_prefixes) + \
                 str(random.randint(0, config.shell_max_accounts))
 
-            plaintext_password = utils.misc.generate_random_string(config.shell_password_length, allowed_chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
+            plaintext_password = utils.misc.generate_random_string(config.shell_password_length, chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
 
             hashed_password = shell.run(["bash", "-c", "echo '{}' | openssl passwd -1 -stdin".format(plaintext_password)])
             hashed_password = hashed_password.output.decode("utf-8").strip()