diff --git a/test/unit/stdlib/threads/pool.c3 b/test/unit/stdlib/threads/pool.c3
index f07140a62..9b295ae02 100644
--- a/test/unit/stdlib/threads/pool.c3
+++ b/test/unit/stdlib/threads/pool.c3
@@ -1,7 +1,7 @@
 module thread_pool_test;
 import std::io, std::thread, std::time;
 
-def Pool = ThreadPool{4};
+def Pool = ThreadPool(<4>);
 
 fn void init_destroy() @test
 {