diff --git a/files/ldap/manager.ldif.in b/files/ldap/manager.ldif.in
index de3b69de7c..2f1f1395ee 100644
--- a/files/ldap/manager.ldif.in
+++ b/files/ldap/manager.ldif.in
@@ -12,4 +12,4 @@ olcRootPW: ${SLAPPASS}
 replace: olcDbIndex
 olcDbIndex: objectClass eq
 olcDbIndex: default pres,eq
-olcDbIndex: cn,sn,givenName,co
+olcDbIndex: cn,sn,givenName