diff --git a/hpath/hpath.cabal b/hpath/hpath.cabal
index b71ff7a..a8c66db 100644
--- a/hpath/hpath.cabal
+++ b/hpath/hpath.cabal
@@ -30,7 +30,7 @@ library
   else
     ghc-options:       -Wall
   exposed-modules:   HPath
-                     HPath.Internal
+  other-modules:     HPath.Internal
   build-depends:     base >= 4.8 && <5
                    , bytestring >= 0.10.0.0
                    , deepseq