diff --git a/attributemap/name2oid.php b/attributemap/name2oid.php
index c99f0e0b37..d1a16bd857 100644
--- a/attributemap/name2oid.php
+++ b/attributemap/name2oid.php
@@ -78,6 +78,7 @@
     'initials'                      => 'urn:oid:2.5.4.43',
     'internationaliSDNNumber'       => 'urn:oid:2.5.4.25',
     'isMemberOf'                    => 'urn:oid:1.3.6.1.4.1.5923.1.5.1.1',
+    'isServiceUser'                 => 'urn:mace:egi.eu:attribute-def:isServiceUser',
     'janetMailbox'                  => 'urn:oid:0.9.2342.19200300.100.1.46',
     'jpegPhoto'                     => 'urn:oid:0.9.2342.19200300.100.1.60',
     'knowledgeInformation'          => 'urn:oid:2.5.4.2',
diff --git a/attributemap/oid2name.php b/attributemap/oid2name.php
index 6c2cda72da..948ef52db5 100644
--- a/attributemap/oid2name.php
+++ b/attributemap/oid2name.php
@@ -1,5 +1,6 @@
 <?php
 $attributemap = [
+    'urn:mace:egi.eu:attribute-def:isServiceUser' => 'isServiceUser',
     'urn:oid:0.9.2342.19200300.100.1.1'  => 'uid',
     'urn:oid:0.9.2342.19200300.100.1.10' => 'manager',
     'urn:oid:0.9.2342.19200300.100.1.11' => 'documentIdentifier',