diff --git a/standalone/no-th/evilsplicer-headers.hs b/standalone/no-th/evilsplicer-headers.hs
index ef9e2603a3..dfb742be91 100644
--- a/standalone/no-th/evilsplicer-headers.hs
+++ b/standalone/no-th/evilsplicer-headers.hs
@@ -29,6 +29,8 @@ import qualified Data.Text.Encoding
 import qualified Network.Wai
 import qualified Network.Wai as Network.Wai.Internal
 import qualified Yesod.Core.Types
+import qualified GHC.IO
+import qualified Data.ByteString.Unsafe
 {- End EvilSplicer headers. -}