diff --git a/exclude.c.old b/exclude.c
index 232249f..2f6dccc 100644
--- a/exclude.c.old
+++ b/exclude.c
@@ -1575,6 +1575,8 @@ char *get_rule_prefix(filter_rule *rule, const char *pat, int for_xfer,
 	}
 	if (rule->rflags & FILTRULE_EXCLUDE_SELF)
 		*op++ = 'e';
+	if (rule->rflags & FILTRULE_XATTR)
+		*op++ = 'x';
 	if (rule->rflags & FILTRULE_SENDER_SIDE
 	    && (!for_xfer || protocol_version >= 29))
 		*op++ = 's';