diff --git a/src/leaf_data.hpp b/src/leaf_data.hpp
index 964c154..7bab723 100644
--- a/src/leaf_data.hpp
+++ b/src/leaf_data.hpp
@@ -140,7 +140,7 @@
     bool operator()(const yang::IdentityRef& type) const
     {
         createSetSuggestions(type);
-        auto checkValidIdentity = [this, type] (auto& ctx) {
+        auto checkValidIdentity = [this, type](auto& ctx) {
             identityRef_ pair{boost::get<identityRef_>(_attr(ctx))};
             if (!pair.m_prefix) {
                 pair.m_prefix = module_{parserContext.currentSchemaPath().m_nodes.front().m_prefix.get().m_name};