diff --git a/src/main/cpp/asyncbuffer.cpp b/src/main/cpp/asyncbuffer.cpp
index f42331223..a0b0711f2 100644
--- a/src/main/cpp/asyncbuffer.cpp
+++ b/src/main/cpp/asyncbuffer.cpp
@@ -17,9 +17,9 @@
 
 #include <log4cxx/helpers/asyncbuffer.h>
 #include <log4cxx/helpers/transcoder.h>
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 #include <variant>
-#endif // defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#endif // LOG4CXX_CONCEPTS
 
 namespace LOG4CXX_NS
 {
@@ -29,7 +29,7 @@ namespace helpers
 
 struct AsyncBuffer::Private
 {
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts && LOG4CXX_WCHAR_T_API
+#if LOG4CXX_CONCEPTS && LOG4CXX_WCHAR_T_API
     using value_t = std::variant<MessageBufferAppender, WideMessageBufferAppender>;
 #else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts && LOG4CXX_WCHAR_T_API)
     using value_t = MessageBufferAppender;
@@ -135,7 +135,7 @@ void AsyncBuffer::renderMessage(LogCharMessageBuffer& msg) const
 	if (m_priv)
 	{
 		for (auto& renderer : m_priv->data)
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts && LOG4CXX_WCHAR_T_API
+#if LOG4CXX_CONCEPTS && LOG4CXX_WCHAR_T_API
 		{
 #if LOG4CXX_LOGCHAR_IS_UTF8
 			if (auto pRenderer = std::get_if<MessageBufferAppender>(&renderer))
@@ -159,9 +159,9 @@ void AsyncBuffer::renderMessage(LogCharMessageBuffer& msg) const
 			}
 #endif // !LOG4CXX_LOGCHAR_IS_UTF8
 		}
-#else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts && LOG4CXX_WCHAR_T_API)
+#else // !LOG4CXX_CONCEPTS
 			renderer(msg);
-#endif // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts && LOG4CXX_WCHAR_T_API)
+#endif // !LOG4CXX_CONCEPTS
 
 #if LOG4CXX_ASYNC_BUFFER_SUPPORTS_FMT
 #if LOG4CXX_LOGCHAR_IS_UTF8
@@ -206,7 +206,7 @@ void AsyncBuffer::clear()
 	}
 }
 
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 /**
  *   Append \c function to this buffer.
  */
@@ -230,7 +230,7 @@ void AsyncBuffer::append(const WideMessageBufferAppender& f)
 		m_priv->data.push_back(f);
 }
 #endif // LOG4CXX_WCHAR_T_API
-#else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#else // !LOG4CXX_CONCEPTS
 /**
  *   Append \c function to this buffer.
  */
@@ -241,7 +241,7 @@ void AsyncBuffer::append(const MessageBufferAppender& f)
 	else
 		m_priv->data.push_back(f);
 }
-#endif // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#endif // !LOG4CXX_CONCEPTS
 
 } // namespace helpers
 } // namespace LOG4CXX_NS
diff --git a/src/main/include/log4cxx/helpers/asyncbuffer.h b/src/main/include/log4cxx/helpers/asyncbuffer.h
index 1784b358c..7beb68944 100644
--- a/src/main/include/log4cxx/helpers/asyncbuffer.h
+++ b/src/main/include/log4cxx/helpers/asyncbuffer.h
@@ -27,7 +27,17 @@
 #include <fmt/xchar.h>
 #endif // LOG4CXX_WCHAR_T_API || LOG4CXX_LOGCHAR_IS_WCHAR
 #endif // LOG4CXX_ASYNC_BUFFER_SUPPORTS_FMT
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+
+#if defined(__cpp_concepts) && 202002 <= __cpp_concepts && defined(__GNUC__) && __GNUC__ <= 12
+// GCC 12 has broken concepts
+#define LOG4CXX_CONCEPTS 0
+#elif defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#define LOG4CXX_CONCEPTS 1
+#else
+#define LOG4CXX_CONCEPTS 0
+#endif
+
+#if LOG4CXX_CONCEPTS
 #include <concepts>
 #endif
 
@@ -65,7 +75,7 @@ class LOG4CXX_EXPORT AsyncBuffer
 	template <typename T>
 	AsyncBuffer& operator<<(const T& value)
 	{
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 #if LOG4CXX_LOGCHAR_IS_UTF8
 		if constexpr (requires(std::ostream& buf, T v) { buf << v; })
 		{
@@ -103,12 +113,12 @@ class LOG4CXX_EXPORT AsyncBuffer
 		else
 			static_assert(false, "operator<<(std::wostream&) overload must be provided");
 #endif // !LOG4CXX_LOGCHAR_IS_UTF8
-#else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#else // !LOG4CXX_CONCEPTS
 		append([value](LogCharMessageBuffer& msgBuf)
 			{
 				msgBuf << value;
 			});
-#endif // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#endif // !LOG4CXX_CONCEPTS
 		return *this;
 	}
 
@@ -120,7 +130,7 @@ class LOG4CXX_EXPORT AsyncBuffer
 	template <typename T>
 	AsyncBuffer& operator<<(const T&& rvalue)
 	{
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 #if LOG4CXX_LOGCHAR_IS_UTF8
 		if constexpr (requires(std::ostream& buf, T v) { buf << v; })
 		{
@@ -158,12 +168,12 @@ class LOG4CXX_EXPORT AsyncBuffer
 		else
 			static_assert(false, "operator<<(std::wostream&) overload must be provided");
 #endif // !LOG4CXX_LOGCHAR_IS_UTF8
-#else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#else // !LOG4CXX_CONCEPTS
 		append([value = std::move(rvalue)](LogCharMessageBuffer& msgBuf)
 			{
 				msgBuf << value;
 			});
-#endif // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#endif // !LOG4CXX_CONCEPTS
 		return *this;
 	}
 
@@ -215,7 +225,7 @@ class LOG4CXX_EXPORT AsyncBuffer
 	AsyncBuffer& operator=(const AsyncBuffer&) = delete;
 
 	LOG4CXX_DECLARE_PRIVATE_MEMBER_PTR(Private, m_priv)
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 	using MessageBufferAppender = std::function<void(CharMessageBuffer&)>;
 
 	/**
@@ -231,14 +241,14 @@ class LOG4CXX_EXPORT AsyncBuffer
 	 */
 	void append(const WideMessageBufferAppender& f);
 #endif // LOG4CXX_WCHAR_T_API
-#else // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#else // !LOG4CXX_CONCEPTS
 	using MessageBufferAppender = std::function<void(LogCharMessageBuffer&)>;
 
 	/**
 	 *   Append \c f to this buffer.
 	 */
 	void append(const MessageBufferAppender& f);
-#endif // !(defined(__cpp_concepts) && 202002 <= __cpp_concepts)
+#endif // !LOG4CXX_CONCEPTS
 
 #if LOG4CXX_ASYNC_BUFFER_SUPPORTS_FMT
 	void initializeForFmt(StringViewType&& format_string, FmtArgStore&& args);
diff --git a/src/test/cpp/asyncappendertestcase.cpp b/src/test/cpp/asyncappendertestcase.cpp
index 36744924f..871ce4a40 100644
--- a/src/test/cpp/asyncappendertestcase.cpp
+++ b/src/test/cpp/asyncappendertestcase.cpp
@@ -253,10 +253,10 @@ class AsyncAppenderTestCase : public AppenderSkeletonTestCase
 #if !LOG4CXX_LOGCHAR_IS_UTF8 || LOG4CXX_WCHAR_T_API
 			LOG4CXX_INFO(root, otherStr << 42);
 			++expectedEventCount;
-#if defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#if LOG4CXX_CONCEPTS
 			LOG4CXX_INFO_ASYNC(root, otherStr << 42);
 			++expectedEventCount;
-#endif // defined(__cpp_concepts) && 202002 <= __cpp_concepts
+#endif // LOG4CXX_CONCEPTS
 #endif // !LOG4CXX_LOGCHAR_IS_UTF8 || LOG4CXX_WCHAR_T_API
 
 			// Check all messages were received