diff --git a/pkgs/racket-test/tests/pkg/test.rkt b/pkgs/racket-test/tests/pkg/test.rkt
index a47e9cd5cd..d8b239735e 100644
--- a/pkgs/racket-test/tests/pkg/test.rkt
+++ b/pkgs/racket-test/tests/pkg/test.rkt
@@ -67,7 +67,8 @@
 
 (module+ test
   (module config info
-    (define timeout 3000))
+    (define timeout 3000)
+    (define lock-name "pkg-test"))
   (go))
 
 (module+ main