diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 8891de040..231271b2f 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -9,7 +9,7 @@ git-worktree - Manage multiple worktrees
 SYNOPSIS
 --------
 [verse]
-'git worktree add' [-f] <path> <branch>
+'git worktree add' [-f] [--detach] <path> <branch>
 'git worktree prune' [-n] [-v] [--expire <expire>]
 
 DESCRIPTION
@@ -64,6 +64,10 @@ OPTIONS
 	is already checked out by another worktree. This option overrides
 	that safeguard.
 
+--detach::
+	With `add`, detach HEAD in the new worktree. See "DETACHED HEAD" in
+	linkgit:git-checkout[1].
+
 -n::
 --dry-run::
 	With `prune`, do not remove anything; just report what it would
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 8c35023a4..9dc92b07a 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -125,11 +125,12 @@ static int prune(int ac, const char **av, const char *prefix)
 static int add(int ac, const char **av, const char *prefix)
 {
 	struct child_process c;
-	int force = 0;
+	int force = 0, detach = 0;
 	const char *path, *branch;
 	struct argv_array cmd = ARGV_ARRAY_INIT;
 	struct option options[] = {
 		OPT__FORCE(&force, N_("checkout <branch> even if already checked out in other worktree")),
+		OPT_BOOL(0, "detach", &detach, N_("detach HEAD at named commit")),
 		OPT_END()
 	};
 
@@ -144,6 +145,8 @@ static int add(int ac, const char **av, const char *prefix)
 	argv_array_pushl(&cmd, "--to", path, NULL);
 	if (force)
 		argv_array_push(&cmd, "--ignore-other-worktrees");
+	if (detach)
+		argv_array_push(&cmd, "--detach");
 	argv_array_push(&cmd, branch);
 
 	memset(&c, 0, sizeof(c));