diff --git a/ghc-mod.cabal b/ghc-mod.cabal
index 0a83e8e..dea4938 100644
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -33,6 +33,7 @@ Extra-Source-Files:     ChangeLog
                         SetupCompat.hs
                         NotCPP/*.hs
                         NotCPP/COPYING
+                        Language/Haskell/GhcMod/Monad/Compat.hs_h
                         test/data/annotations/*.hs
                         test/data/broken-cabal/*.cabal
                         test/data/broken-cabal/cabal.sandbox.config.in