diff --git a/cps/__init__.py b/cps/__init__.py
index 157dd14e..5ecc00eb 100644
--- a/cps/__init__.py
+++ b/cps/__init__.py
@@ -85,7 +85,9 @@ app.config.update(
     SESSION_COOKIE_HTTPONLY=True,
     SESSION_COOKIE_SAMESITE='Strict',
     REMEMBER_COOKIE_SAMESITE='Strict',  # will be available in flask-login 0.5.1 earliest
-    WTF_CSRF_SSL_STRICT=False
+    WTF_CSRF_SSL_STRICT=False,
+    SESSION_COOKIE_NAME=os.environ.get('COOKIE_PREFIX', "") + "session",
+    REMEMBER_COOKIE_NAME=os.environ.get('COOKIE_PREFIX', "") + "remember_token"
 )
 
 lm = MyLoginManager()
diff --git a/cps/constants.py b/cps/constants.py
index 13d1529d..0736a354 100644
--- a/cps/constants.py
+++ b/cps/constants.py
@@ -175,7 +175,7 @@ BookMeta = namedtuple('BookMeta', 'file_path, extension, title, author, cover, d
                                   'series_id, languages, publisher, pubdate, identifiers')
 
 # python build process likes to have x.y.zbw -> b for beta and w a counting number
-STABLE_VERSION = {'version': '0.6.23'}
+STABLE_VERSION = {'version': '0.6.24b'}
 
 NIGHTLY_VERSION = dict()
 NIGHTLY_VERSION[0] = '$Format:%H$'
diff --git a/cps/jinjia.py b/cps/jinjia.py
index f0b3489d..80c2b7ea 100644
--- a/cps/jinjia.py
+++ b/cps/jinjia.py
@@ -26,6 +26,7 @@ from markupsafe import escape
 import datetime
 import mimetypes
 from uuid import uuid4
+import re
 
 from flask import Blueprint, request, url_for
 from flask_babel import format_date
@@ -112,7 +113,10 @@ def yesno(value, yes, no):
 @jinjia.app_template_filter('formatfloat')
 def formatfloat(value, decimals=1):
     value = 0 if not value else value
-    return ('{0:.' + str(decimals) + 'f}').format(value).rstrip('0').rstrip('.')
+    formated_value = ('{0:.' + str(decimals) + 'f}').format(value)
+    if formated_value.endswith('.' + "0" * decimals):
+        formated_value = formated_value.rstrip('0').rstrip('.')
+    return formated_value
 
 
 @jinjia.app_template_filter('formatseriesindex')