diff --git a/home-manager/package-configs/zsh.nix b/home-manager/package-configs/zsh.nix
index ed22d26..09eedb5 100644
--- a/home-manager/package-configs/zsh.nix
+++ b/home-manager/package-configs/zsh.nix
@@ -11,10 +11,6 @@
     enable = true;
   };
 
-  environment.interactiveShellInit = ''
-    alias cd='z'
-  '';
-
   programs.zsh = {
     enable = true;
     plugins = [
diff --git a/nixos/shared/default.nix b/nixos/shared/default.nix
index 55493b2..11217d3 100644
--- a/nixos/shared/default.nix
+++ b/nixos/shared/default.nix
@@ -54,6 +54,10 @@
   # Enable completion of system packages by zsh
   environment.pathsToLink = ["/share/zsh"];
 
+  environment.interactiveShellInit = ''
+    alias cd='z'
+  '';
+
   users.mutableUsers = false;
 
   users.users.root = {