diff --git a/include/nlohmann/json.hpp b/include/nlohmann/json.hpp
index f698163fe..8cf3f8397 100644
--- a/include/nlohmann/json.hpp
+++ b/include/nlohmann/json.hpp
@@ -633,6 +633,14 @@ private:
                     return v.m_data.m_value.array->empty();
                 case value_t::object:
                     return v.m_data.m_value.object->empty();
+                case value_t::null:
+                case value_t::string:
+                case value_t::boolean:
+                case value_t::number_integer:
+                case value_t::number_unsigned:
+                case value_t::number_float:
+                case value_t::binary:
+                case value_t::discarded:
                 default:
                     return true;
             }
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index b6e5ca7c5..9a1aaeecd 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -27872,6 +27872,14 @@ private:
                     return v.m_data.m_value.array->empty();
                 case value_t::object:
                     return v.m_data.m_value.object->empty();
+                case value_t::null:
+                case value_t::string:
+                case value_t::boolean:
+                case value_t::number_integer:
+                case value_t::number_unsigned:
+                case value_t::number_float:
+                case value_t::binary:
+                case value_t::discarded:
                 default:
                     return true;
             }