diff --git a/xo-cmake/etc/xo/subsystem-list b/xo-cmake/etc/xo/subsystem-list
index 0fca51d1..c2ebcd9e 100644
--- a/xo-cmake/etc/xo/subsystem-list
+++ b/xo-cmake/etc/xo/subsystem-list
@@ -6,10 +6,10 @@ xo-flatstring
 xo-reflectutil
 xo-arena
 xo-facet
+xo-testutil
 xo-alloc
 xo-object
 xo-refcnt
-xo-testutil
 xo-ordinaltree
 xo-pyutil
 xo-reflect