diff --git a/CMakeLists.txt b/CMakeLists.txt
index c90299f69..b50306789 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@ check_pie_supported()
 # specify the C++ standard
 set(CMAKE_CXX_STANDARD            20)
 set(CMAKE_CXX_STANDARD_REQUIRED   ON)
-set(CMAKE_CXX_EXTENSIONS          OFF) # ensure we do not use fancy extensions that are not cross platform
+set(CMAKE_CXX_EXTENSIONS          ON)
 
 # enable threads (we have some std::async in ndbl_app)
 set(THREADS_PREFER_PTHREAD_FLAG ON)