diff --git a/mwc-random.cabal b/mwc-random.cabal
index f8242cb..fd1076e 100644
--- a/mwc-random.cabal
+++ b/mwc-random.cabal
@@ -29,10 +29,10 @@ description:
 
 
 extra-source-files:
-  changelog.md
   README.md
 
 extra-doc-files:
+  changelog.md
   docs/*.svg
 
 tested-with:
@@ -150,6 +150,7 @@ test-suite mwc-doctests
 
 executable Docs
   hs-source-dirs: docs
+  default-language: Haskell2010
   main-is:        RecreateFigure.hs
   build-depends:
             base >= 4.9 && < 5