diff --git a/syndicate/syntax.rkt b/syndicate/syntax.rkt
index 5e55c65..c45e8b8 100644
--- a/syndicate/syntax.rkt
+++ b/syndicate/syntax.rkt
@@ -355,6 +355,8 @@
 ;;; eval: (put 'at 'racket-indent-function 1)
 ;;; eval: (put 'object 'racket-indent-function 0)
 ;;; eval: (put 'react 'racket-indent-function 0)
+;;; eval: (put 'send! 'racket-indent-function 1)
+;;; eval: (put 'sync! 'racket-indent-function 1)
 ;;; eval: (put 'spawn 'racket-indent-function 0)
 ;;; eval: (put 'stop-when 'racket-indent-function 1)
 ;;; eval: (put 'stop-when-true 'racket-indent-function 1)