diff --git a/modules/base/emacs/default.nix b/modules/base/emacs/default.nix
index 24accac9..62081aef 100644
--- a/modules/base/emacs/default.nix
+++ b/modules/base/emacs/default.nix
@@ -20,6 +20,12 @@
         alwaysEnsure = true;
         # mu4e is included in the mu package and should be used from there
         extraEmacsPackages = epkgs: lib.optional config.chvp.graphical.mail.enable pkgs.mu;
+        override = epkgs: epkgs // {
+          nix-mode = epkgs.melpaPackages.nix-mode.overrideAttrs (old: {
+            propagatedBuildInputs = old.propagatedBuildInputs ++ [ epkgs.reformatter ];
+            propagatedUserEnvPkgs = old.propagatedUserEnvPkgs ++ [ epkgs.reformatter ];
+          });
+        };
       };
     };
   };