diff --git a/meson.build b/meson.build
index 27c4a79..b26bdcc 100644
--- a/meson.build
+++ b/meson.build
@@ -12,6 +12,7 @@ src = [
 	'source/ecs/simple_vector.d',
 	'source/ecs/simple_vector.d',
 	'source/ecs/std.d',
+	'source/ecs/atomic.d',
 	'source/ecs/system.d',
 	'source/ecs/traits.d',
 	'source/ecs/vector.d',
@@ -39,6 +40,8 @@ endif
 inc = include_directories('source/')
 tests_inc = include_directories('source/')
 
-executable('ecs', [tests_src, src], include_directories : [tests_inc, inc], d_args: args, link_args: link_args)
+ecs_lib = shared_library('ecs', src, include_directories : [tests_inc, inc], d_args: args, link_args: link_args)
+
+executable('tests', tests_src, include_directories : [tests_inc, inc], d_args: args, link_args: link_args, link_with: ecs_lib)