diff --git a/nix/haskell.nix b/nix/haskell.nix
index 229b2331f62..ab23d4e0db7 100644
--- a/nix/haskell.nix
+++ b/nix/haskell.nix
@@ -22,7 +22,7 @@ let
       name = "cardano-node";
       compiler-nix-name = lib.mkDefault "ghc8107";
       # extra-compilers
-      flake.variants = lib.genAttrs ["ghc964"] (x: {compiler-nix-name = x;});
+      flake.variants = lib.genAttrs ["ghc96"] (x: {compiler-nix-name = x;});
       cabalProjectLocal = ''
         repository cardano-haskell-packages-local
           url: file:${CHaP}