diff --git a/CMakeLists.txt b/CMakeLists.txt
index fce22fd..2c9ba26 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,11 @@ project(ASIBFM700 LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+# define explicitely GCC version to prevent redefintion by CLANG
+# if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+#     add_compile_options(-fgnuc-version=${CMAKE_CXX_COMPILER_VERSION})
+# endif()
+
 # for ccls
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
diff --git a/asibfm700_config.h b/asibfm700_config.h
index ab94d49..9c1f3bd 100644
--- a/asibfm700_config.h
+++ b/asibfm700_config.h
@@ -450,7 +450,13 @@ public:
         std::error_code ec{};
         std::string output_buffer;
 
+        // #ifdef __GNUG__
+        // #if __GNUG__ < 16
+        //         auto write_rec = [&output_buffer, &ec, obj_ptr = this]<size_t I = 0>(this auto& self) -> void {
+        // #else
         auto write_rec = [&output_buffer, &ec, this]<size_t I = 0>(this auto& self) -> void {
+            // #endif
+            // #endif
             if constexpr (I < NUMBER_OF_RECORDS) {
                 // add an empty string within records
                 std::format_to(std::back_inserter(output_buffer), "{}", DEFAULT_RECORD_DELIMITER);