diff --git a/yesod/test/scaffold.sh b/yesod/test/scaffold.sh
index 303fc363..8ea71803 100755
--- a/yesod/test/scaffold.sh
+++ b/yesod/test/scaffold.sh
@@ -4,7 +4,12 @@ runghc main.hs init
 
 (
   cd foobar
-  cabal install
-  cabal install -fdevel
-  cabal install -fproduction
+  cabal configure || cabal install
+  cabal build
+  cabal clean
+  cabal configure -fdevel
+  cabal build
+  cabal clean
+  cabal configure -fproduction
+  cabal build
 )