diff --git a/servers/slapd/schema_prep.c b/servers/slapd/schema_prep.c
index fa91ccdc31..594338144c 100644
--- a/servers/slapd/schema_prep.c
+++ b/servers/slapd/schema_prep.c
@@ -62,7 +62,9 @@ oidValidate(
 				return LDAP_SUCCESS;
 			}
 
-			if ( val.bv_val[0] == '0' ) {
+			/* FIXME: the OID of 'dc' and other attributeTypes
+			 * starts with '0'! */
+			if ( val.bv_val[0] == '0' && !OID_SEPARATOR( val.bv_val[1] ) ) {
 				break;
 			}