diff --git a/Formula/libstfl.rb b/Formula/libstfl.rb
index 29554e06b2..631c363a47 100644
--- a/Formula/libstfl.rb
+++ b/Formula/libstfl.rb
@@ -3,6 +3,7 @@ class Libstfl < Formula
   homepage "http://www.clifford.at/stfl/"
   url "http://www.clifford.at/stfl/stfl-0.24.tar.gz"
   sha256 "d4a7aa181a475aaf8a8914a8ccb2a7ff28919d4c8c0f8a061e17a0c36869c090"
+  revision 1
 
   bottle do
     cellar :any