1 files changed, 1 insertions, 0 deletions
diff --git a/builtin.h b/builtin.h
index a0713d3747..951f206372 100644
--- a/builtin.h
+++ b/builtin.h
@@ -28,5 +28,6 @@ extern int cmd_rev_list(int argc, const char **argv, char **envp);
 extern int cmd_check_ref_format(int argc, const char **argv, char **envp);
 extern int cmd_init_db(int argc, const char **argv, char **envp);
 extern int cmd_ls_files(int argc, const char **argv, char **envp);
+extern int cmd_ls_tree(int argc, const char **argv, char **envp);
 
 #endif