--- a/test/doctests.hs
+++ b/test/doctests.hs
@@ -4,9 +4,9 @@
 
 main :: IO ()
 main = doctest [
-    "-idist/build/autogen/"
+    "-idist-ghc/build/autogen/"
   , "-optP-include"
-  , "-optPdist/build/autogen/cabal_macros.h"
+  , "-optPdist-ghc/build/autogen/cabal_macros.h"
   , "-XOverloadedStrings"
   , "Network/HTTP/Types.hs"
   ]