diff --git a/src/kernel/type_checker.cpp b/src/kernel/type_checker.cpp
index 882f21f7e..cc53c70d2 100644
--- a/src/kernel/type_checker.cpp
+++ b/src/kernel/type_checker.cpp
@@ -421,6 +421,9 @@ type_checker::type_checker(environment const & env, name_generator const & g, st
     m_memoize(memoize), m_params(nullptr) {
 }
 
+type_checker::type_checker(environment const & env, name_generator const & g, bool memoize):
+    type_checker(env, g, mk_default_converter(env, optional<module_idx>(), memoize), memoize) {}
+
 static name * g_tmp_prefix = nullptr;
 
 type_checker::type_checker(environment const & env):
diff --git a/src/kernel/type_checker.h b/src/kernel/type_checker.h
index c631cb7e4..2b1939c7f 100644
--- a/src/kernel/type_checker.h
+++ b/src/kernel/type_checker.h
@@ -119,8 +119,7 @@ public:
        memoize: if true, then inferred types are memoized/cached
     */
     type_checker(environment const & env, name_generator const & g, std::unique_ptr<converter> && conv, bool memoize = true);
-    type_checker(environment const & env, name_generator const & g, bool memoize = true):
-        type_checker(env, g, mk_default_converter(env), memoize) {}
+    type_checker(environment const & env, name_generator const & g, bool memoize = true);
     type_checker(environment const & env);
     ~type_checker();