diff --git a/cli/.config/fish/functions/groot.fish b/cli/.config/fish/functions/groot.fish
index 39dff47..18745f4 100644
--- a/cli/.config/fish/functions/groot.fish
+++ b/cli/.config/fish/functions/groot.fish
@@ -1,4 +1,6 @@
 function groot
+    set -l is_git_worktree (command git rev-parse --is-inside-work-tree)
+    string match -qe 'true' "$is_git_worktree" || return
     set -l root (command git rev-parse --show-toplevel)
     test $status -eq 0 && cd $root
 end