diff --git a/lisp/net/sieve-mode.el b/lisp/net/sieve-mode.el
index 4fbdd183973..a648cf1e1e0 100644
--- a/lisp/net/sieve-mode.el
+++ b/lisp/net/sieve-mode.el
@@ -67,7 +67,7 @@
   "Face used for Sieve Test Commands.")
 
 (defface sieve-tagged-arguments
-  '((t :inherit font-lock-keyword face))
+  '((t :inherit font-lock-keyword-face))
   "Face used for Sieve Tagged Arguments.")