diff --git a/source/lib/ldb/common/ldb_dn.c b/source/lib/ldb/common/ldb_dn.c
index ae178986f43..7a17d2cb71f 100644
--- a/source/lib/ldb/common/ldb_dn.c
+++ b/source/lib/ldb/common/ldb_dn.c
@@ -143,6 +143,16 @@ struct ldb_dn *ldb_dn_new_fmt(void *mem_ctx, struct ldb_context *ldb, const char
 		 * exploded_dn control is used */
 		dn->special = true;
 		/* FIXME: add a GUID string to ldb_dn structure */
+	} else if (strncasecmp(strdn, "<SID=", 8) == 0) {
+		/* this is special DN returned when the
+		 * exploded_dn control is used */
+		dn->special = true;
+		/* FIXME: add a SID string to ldb_dn structure */
+	} else if (strncasecmp(strdn, "<WKGUID=", 8) == 0) {
+		/* this is special DN returned when the
+		 * exploded_dn control is used */
+		dn->special = true;
+		/* FIXME: add a WKGUID string to ldb_dn structure */
 	}
 	dn->linearized = strdn;