diff --git a/src/python/dm/common/utility/ldapLinuxPlatformUtility.py b/src/python/dm/common/utility/ldapLinuxPlatformUtility.py
index 0b5a06ae18d00a768f553b7876cd516c2b6f7542..bb14e05e24cf57f6764ed1acb7050435c803c926 100755
--- a/src/python/dm/common/utility/ldapLinuxPlatformUtility.py
+++ b/src/python/dm/common/utility/ldapLinuxPlatformUtility.py
@@ -183,7 +183,7 @@ class LdapLinuxPlatformUtility:
     @classmethod
     def addLocalUserToGroup(cls, username, groupName):
         """ Add local user to group. """
-        createLocalGroup(groupName)
+        cls.createLocalGroup(groupName)
         logger = cls.getLogger()
         logger.debug('Adding local user %s to group %s' % (username, groupName))
         cmd = '%s -a %s %s' % (cls.GPASSWD_CMD, username, groupName)