diff --git a/seafile-ldap.py b/seafile-ldap.py
index 23777e1..b1fd17a 100644
--- a/seafile-ldap.py
+++ b/seafile-ldap.py
@@ -9,7 +9,7 @@ config.read(cwd + '/config.ini')
 
 serverDNS = config['LDAP SERVER']['server']
 serverPort = config['LDAP SERVER']['port']
-serverSSL = config['LDAP SERVER']['ssl']
+serverSSL = config['LDAP SERVER'].getboolean('ssl')
 
 bindAccount = config['Bind Account']['username']
 bindPassword = config['Bind Account']['password']