diff --git a/src/yang_schema.hpp b/src/yang_schema.hpp
index fb4b922..e4de5de 100644
--- a/src/yang_schema.hpp
+++ b/src/yang_schema.hpp
@@ -44,6 +44,7 @@
     const std::set<std::string> validIdentities(const schemaPath_& location, const ModuleNodePair& node, const Prefixes prefixes) const override;
     const std::set<std::string> enumValues(const schemaPath_& location, const ModuleNodePair& node) const override;
     std::set<std::string> childNodes(const schemaPath_& path, const Recursion recursion) const override;
+    std::set<std::string> moduleNodes(const module_& module, const Recursion recursion) const override;
 
     void registerModuleCallback(const std::function<std::string(const char*, const char*, const char*)>& clb);