diff --git a/home/modules/shells.nix b/home/modules/shells.nix
index 3b41c66..dca4d2b 100644
--- a/home/modules/shells.nix
+++ b/home/modules/shells.nix
@@ -63,7 +63,7 @@
             sudo nixos-rebuild switch --flake .
           }
 
-          def fzf-cd [] {
+          def --env fzf-cd [] {
               let dir = (fd -t d -L . | fzf --reverse --height 40%)
               if $dir != null and $dir != "" {
                   cd $dir