diff --git a/flake.nix b/flake.nix
index 368564436..1c8781d38 100644
--- a/flake.nix
+++ b/flake.nix
@@ -161,7 +161,7 @@
             shell.tools = {
               cabal = "latest";
               haskell-language-server = {
-                src = nixpkgs.haskell-nix.sources."hls-2.9"
+                src = nixpkgs.haskell-nix.sources."hls-2.9";
               };
             };
             # Now we use pkgsBuildBuild, to make sure that even in the cross