diff --git a/test/test_suite/compile_time_introspection/defined_2.c3t b/test/test_suite/compile_time_introspection/defined_2.c3t
index 522118028..743cba38f 100644
--- a/test/test_suite/compile_time_introspection/defined_2.c3t
+++ b/test/test_suite/compile_time_introspection/defined_2.c3t
@@ -1,3 +1,5 @@
+// #target: macos-x64
+
 module testing;
 import std::io;