diff --git a/scaffold/cabal.cg b/scaffold/cabal.cg
index accbcd57..cbd36003 100644
--- a/scaffold/cabal.cg
+++ b/scaffold/cabal.cg
@@ -53,6 +53,6 @@ executable         fastcgi
         Buildable: False
     cpp-options:   -DPRODUCTION
     main-is:       fastcgi.hs
-    ghc-options:   -Wall
+    ghc-options:   -Wall -threaded
     extensions:    TemplateHaskell, QuasiQuotes, TypeFamilies