diff --git a/app/Foliage/CmdBuild.hs b/app/Foliage/CmdBuild.hs
index c44b4ad..fce1066 100644
--- a/app/Foliage/CmdBuild.hs
+++ b/app/Foliage/CmdBuild.hs
@@ -113,7 +113,7 @@ buildAction
 
             -- all revised cabal files, with their timestamp
             revcf <- for (zip [1 :: Int ..] cabalFileRevisions) $ \(revNum, (timestamp, path)) -> do
-              copyFileChanged cabalFilePath (outputDir </> "package" </> prettyShow pkgId </> "revision" </> show revNum <.> "cabal")
+              copyFileChanged path (outputDir </> "package" </> prettyShow pkgId </> "revision" </> show revNum <.> "cabal")
               prepareIndexPkgCabal pkgId timestamp path
 
             -- current version of the cabal file (after the revisions, if any)
diff --git a/cabal.project b/cabal.project
index 59532f9..ffb194d 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,6 +1,6 @@
 packages: .
 index-state: 2023-09-10T21:31:08Z
-with-compiler: ghc-9.4.7
+with-compiler: ghc-9.4.8
 
 tests: True
 test-show-details: direct
diff --git a/flake.nix b/flake.nix
index cb4d44a..f1b9eaa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,7 +28,7 @@
 
         project = pkgs.haskell-nix.cabalProject' {
           src = ./.;
-          compiler-nix-name = "ghc94";
+          compiler-nix-name = "ghc948";
           shell.tools = {
             cabal = "latest";
             hlint = "latest";