diff --git a/yesod-core/test/YesodCoreTest/NoOverloadedStringsSub.hs b/yesod-core/test/YesodCoreTest/NoOverloadedStringsSub.hs
new file mode 100644
index 00000000..9eb1ef24
--- /dev/null
+++ b/yesod-core/test/YesodCoreTest/NoOverloadedStringsSub.hs
@@ -0,0 +1,17 @@
+{-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell, MultiParamTypeClasses #-}
+{-# LANGUAGE FlexibleInstances #-}
+module YesodCoreTest.NoOverloadedStringsSub where
+
+import Yesod.Core
+import Network.Wai
+import Network.Wai.Test
+import Data.Monoid (mempty)
+import qualified Data.Text as T
+import qualified Data.ByteString.Lazy.Char8 as L8
+
+data Subsite = Subsite
+
+mkYesodSubData "Subsite" [parseRoutes|
+/bar BarR GET
+/baz BazR GET
+|]