1 files changed, 1 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index 747fd74a..2a345f09 100644
--- a/eval.c
+++ b/eval.c
@@ -6780,6 +6780,7 @@ void eval_init(void)
   reg_fun(intern(lit("alist-remove"), user_package), func_n1v(alist_removev));
   reg_fun(intern(lit("alist-nremove"), user_package), func_n1v(alist_nremovev));
   reg_fun(intern(lit("copy-cons"), user_package), func_n1(copy_cons));
+  reg_fun(intern(lit("copy-tree"), user_package), func_n1(copy_tree));
   reg_fun(intern(lit("copy-alist"), user_package), func_n1(copy_alist));
   reg_fun(intern(lit("prop"), user_package), func_n2(getplist));
   reg_fun(intern(lit("memp"), user_package), func_n2(memp));