1 files changed, 1 insertions, 0 deletions
diff --git a/hcel.cabal b/hcel.cabal
index 73708f4..99fde6d 100644
--- a/hcel.cabal
+++ b/hcel.cabal
@@ -124,6 +124,7 @@ executable haskell-code-server
                    , wreq
   if impl(ghc >= 8.4.3)
     build-depends: ghc-compact
+  default-language: Haskell2010
 
 test-suite test
   default-language: Haskell2010