diff --git a/include/git2/worktree.h b/include/git2/worktree.h
index bc1e40243..84e2bc92e 100644
--- a/include/git2/worktree.h
+++ b/include/git2/worktree.h
@@ -76,10 +76,12 @@ GIT_EXTERN(int) git_worktree_validate(const git_worktree *wt);
 
 typedef struct git_worktree_add_options {
 	unsigned int version;
+
+	char lock; /**< lock newly created worktree */
 } git_worktree_add_options;
 
 #define GIT_WORKTREE_ADD_OPTIONS_VERSION 1
-#define GIT_WORKTREE_ADD_OPTIONS_INIT {GIT_WORKTREE_ADD_OPTIONS_VERSION}
+#define GIT_WORKTREE_ADD_OPTIONS_INIT {GIT_WORKTREE_ADD_OPTIONS_VERSION,0}
 
 /**
  * Initializes a `git_worktree_add_options` with default vaules.
diff --git a/src/worktree.c b/src/worktree.c
index 6e797f362..b9ed75991 100644
--- a/src/worktree.c
+++ b/src/worktree.c
@@ -318,6 +318,21 @@ int git_worktree_add(git_worktree **out, git_repository *repo,
 	if ((err = git_path_prettify_dir(&wddir, worktree, NULL)) < 0)
 		goto out;
 
+	if (wtopts.lock) {
+		int fd;
+
+		if ((err = git_buf_joinpath(&buf, gitdir.ptr, "locked")) < 0)
+			goto out;
+
+		if ((fd = p_creat(buf.ptr, 0644)) < 0) {
+			err = fd;
+			goto out;
+		}
+
+		p_close(fd);
+		git_buf_clear(&buf);
+	}
+
 	/* Create worktree .git file */
 	if ((err = git_buf_printf(&buf, "gitdir: %s\n", gitdir.ptr)) < 0)
 		goto out;
diff --git a/tests/worktree/worktree.c b/tests/worktree/worktree.c
index f90895822..7ab86cceb 100644
--- a/tests/worktree/worktree.c
+++ b/tests/worktree/worktree.c
@@ -228,6 +228,31 @@ void test_worktree_worktree__init(void)
 	git_repository_free(repo);
 }
 
+void test_worktree_worktree__add_locked(void)
+{
+	git_worktree *wt;
+	git_repository *repo;
+	git_reference *branch;
+	git_buf path = GIT_BUF_INIT;
+	git_worktree_add_options opts = GIT_WORKTREE_ADD_OPTIONS_INIT;
+
+	opts.lock = 1;
+
+	cl_git_pass(git_buf_joinpath(&path, fixture.repo->workdir, "../worktree-locked"));
+	cl_git_pass(git_worktree_add(&wt, fixture.repo, "worktree-locked", path.ptr, &opts));
+
+	/* Open and verify created repo */
+	cl_assert(git_worktree_is_locked(NULL, wt));
+	cl_git_pass(git_repository_open(&repo, path.ptr));
+	cl_assert(git__suffixcmp(git_repository_workdir(repo), "worktree-locked/") == 0);
+	cl_git_pass(git_branch_lookup(&branch, repo, "worktree-locked", GIT_BRANCH_LOCAL));
+
+	git_buf_free(&path);
+	git_worktree_free(wt);
+	git_reference_free(branch);
+	git_repository_free(repo);
+}
+
 void test_worktree_worktree__init_existing_branch(void)
 {
 	git_reference *head, *branch;