diff --git a/include/nlohmann/detail/json_custom_base_class.hpp b/include/nlohmann/detail/json_custom_base_class.hpp
index 5dc839ff3..ff06653ab 100644
--- a/include/nlohmann/detail/json_custom_base_class.hpp
+++ b/include/nlohmann/detail/json_custom_base_class.hpp
@@ -2,6 +2,8 @@
 
 #include <type_traits> // conditional, is_same
 
+#include <nlohmann/detail/abi_macros.hpp>
+
 NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
 {
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 20cda85d9..ec0511e6f 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -13680,6 +13680,9 @@ NLOHMANN_JSON_NAMESPACE_END
 
 #include <type_traits> // conditional, is_same
 
+// #include <nlohmann/detail/abi_macros.hpp>
+
+
 NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
 {