diff --git a/management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py b/management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py
index cd644c5..76f6563 100644
--- a/management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py
+++ b/management/univention-directory-manager-modules/modules/univention/admin/handlers/users/user.py
@@ -585,7 +585,7 @@ class vacationResendDays(univention.admin.syntax.select):
 		long_description='',
 		syntax=univention.admin.syntax.GroupDN,
 		multivalue=False,
-		options=['posix'],
+		options=['posix', 'samba'],
 		required=True,
 		dontsearch=True,
 		may_change=True,
@@ -1408,7 +1408,7 @@ def open(self, loadGroups=1):
 						self['locked'] = 'posix'
 					self.is_auth_saslpassthrough = self.__pwd_is_auth_saslpassthrough(userPassword)
 
-				if 'posix' in self.options:
+				if 'posix' in self.options or 'samba' in self.options:
 
 					if loadGroups:  # this is optional because it can take much time on larger installations, default is true
 						self.groupsLoaded = 1
@@ -1512,7 +1512,7 @@ def open(self, loadGroups=1):
 
 			self.save()
 		else:
-			if 'posix' in self.options:
+			if 'posix' in self.options or 'samba' in self.options:
 				primary_group_from_template = self['primaryGroup']
 				if not primary_group_from_template:
 					searchResult = self.lo.search(filter='(objectClass=univentionDefault)', base='cn=univention,' + self.position.getDomain(), attr=['univentionDefaultGroup'])