diff --git a/include/nlohmann/detail/hash.hpp b/include/nlohmann/detail/hash.hpp
index ac07c2e8f..776b9ca61 100644
--- a/include/nlohmann/detail/hash.hpp
+++ b/include/nlohmann/detail/hash.hpp
@@ -5,6 +5,7 @@
 #include <functional> // hash
 
 #include <nlohmann/detail/macro_scope.hpp>
+#include <nlohmann/detail/value_t.hpp>
 
 namespace nlohmann
 {
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index bd1dc6ad1..9858388b5 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -5169,6 +5169,8 @@ class byte_container_with_subtype : public BinaryType
 
 // #include <nlohmann/detail/macro_scope.hpp>
 
+// #include <nlohmann/detail/value_t.hpp>
+
 
 namespace nlohmann
 {