diff --git a/basis/stack-checker/stack-checker-tests.factor b/basis/stack-checker/stack-checker-tests.factor
index 8fee8df538..414bcaaffe 100644
--- a/basis/stack-checker/stack-checker-tests.factor
+++ b/basis/stack-checker/stack-checker-tests.factor
@@ -7,7 +7,7 @@ sorting assocs definitions prettyprint io inspector
 classes.tuple classes.union classes.predicate debugger
 threads.private io.streams.string io.timeouts io.thread
 sequences.private destructors combinators eval locals.backend
-system compiler.units ;
+system compiler.units shuffle ;
 IN: stack-checker.tests
 
 [ 1234 infer ] must-fail