diff --git a/bot.py b/bot.py
index ef89fd6..d56ab3c 100644
--- a/bot.py
+++ b/bot.py
@@ -9,7 +9,7 @@ from telegram import CommandProcessor
 load_dotenv()
 
 token = os.getenv('RSSBOT_TG_TOKEN')
-dsn = os.getenv('RSSBOT_DSN',)
+dsn = os.getenv('RSSBOT_DSN')
 log_level = os.getenv('LOG_LEVEL', 'INFO')
 
 print('Starting the bot with logging level', log_level.upper())
@@ -19,7 +19,7 @@ logging.basicConfig(
     datefmt='%Y-%m-%d %H:%M:%S',
 )
 
-db = Database(db_dsn, logging.getLogger('Database'))
+db = Database(dsn, logging.getLogger('Database'))
 bot = CommandProcessor(token, db, logging.getLogger('CommandProcessor'))
 
 bot.run()
diff --git a/update.py b/update.py
index 2a97740..19e1976 100644
--- a/update.py
+++ b/update.py
@@ -21,7 +21,7 @@ logging.basicConfig(
     datefmt='%Y-%m-%d %H:%M:%S'
 )
 
-db = Database(db_dsn, logging.getLogger('Database'))
+db = Database(dsn, logging.getLogger('Database'))
 notifier = Notifier(token, logging.getLogger('Notifier'))
 rss_reader = RssReader(logging.getLogger('RssReader'))