diff --git a/Formula/mutt.rb b/Formula/mutt.rb
index b3bf4f55e90..c84a25a77c5 100644
--- a/Formula/mutt.rb
+++ b/Formula/mutt.rb
@@ -20,7 +20,7 @@ class Mutt < Formula
   option "with-confirm-attachment-patch", "Apply confirm attachment patch"
 
   depends_on 'tokyo-cabinet'
-  depends_on 'slang' => :optional
+  depends_on 's-lang' => :optional
   if build.head?
     depends_on :autoconf
     depends_on :automake