diff --git a/collects/tests/typed-scheme/nightly-run.ss b/collects/tests/typed-scheme/nightly-run.ss
new file mode 100644
index 00000000..a2fbedf4
--- /dev/null
+++ b/collects/tests/typed-scheme/nightly-run.ss
@@ -0,0 +1,7 @@
+#lang scheme/base
+
+(require scheme/runtime-path)
+(define-runtime-path run "run.ss")
+(if (eq? 'cgc (system-type 'gc))
+  (printf "Running under CGC => skipping tests\n")
+  (dynamic-require run #f))