diff --git a/src/ast/array_decl_plugin.cpp b/src/ast/array_decl_plugin.cpp
index 22c2184c1..b820b5213 100644
--- a/src/ast/array_decl_plugin.cpp
+++ b/src/ast/array_decl_plugin.cpp
@@ -568,6 +568,7 @@ func_decl * array_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters
 void array_decl_plugin::get_sort_names(svector<builtin_name>& sort_names, symbol const & logic) {
     sort_names.push_back(builtin_name(ARRAY_SORT_STR, ARRAY_SORT));
     sort_names.push_back(builtin_name("=>", ARRAY_SORT));
+    sort_names.push_back(builtin_name("->", ARRAY_SORT));
     if (logic == symbol::null || logic == symbol("HORN") || logic == symbol("ALL")) {
         // this could easily break users even though it is already used in CVC4: 
         sort_names.push_back(builtin_name("Set", _SET_SORT));