diff --git a/files/ldap/manager.ldif.in b/files/ldap/manager.ldif.in
index de3b69d..2f1f139 100644
--- a/files/ldap/manager.ldif.in
+++ b/files/ldap/manager.ldif.in
@@ -12,4 +12,4 @@
 replace: olcDbIndex
 olcDbIndex: objectClass eq
 olcDbIndex: default pres,eq
-olcDbIndex: cn,sn,givenName,co
+olcDbIndex: cn,sn,givenName