diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5ab94d..3e1c727 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.5)
 include(cmake/color.cmake)
 
-set(BLT_VERSION 0.14.3)
+set(BLT_VERSION 0.14.4)
 set(BLT_TEST_VERSION 0.0.1)
 
 set(BLT_TARGET BLT)
diff --git a/include/blt/std/array.h b/include/blt/std/array.h
index c962554..557cfb3 100644
--- a/include/blt/std/array.h
+++ b/include/blt/std/array.h
@@ -45,6 +45,7 @@ namespace blt
     template<typename Extra>
     struct metadata_template_t
     {
+        static_assert(std::is_trivially_copyable_v<Extra> && "Must be raw type!");
         Extra extra;
         // size in number of elements!
         blt::size_t size;