diff --git a/custom-completions/git/git-completions.nu b/custom-completions/git/git-completions.nu
index afb69ea1..adf6af84 100644
--- a/custom-completions/git/git-completions.nu
+++ b/custom-completions/git/git-completions.nu
@@ -787,7 +787,7 @@ export extern "git worktree" [
 # create a new working tree
 export extern "git worktree add" [
   path: path            # directory to clone the branch
-  branch: string@"nu-complete git available upstream" # Branch to clone
+  branch?: string@"nu-complete git available upstream" # Branch to clone
   --help(-h)            # display the help message for this command
   --force(-f)           # checkout <branch> even if already checked out in other worktree
   -b                    # create a new branch