diff --git a/collects/tests/mzscheme/benchmarks/mz/redsem.scm b/collects/tests/mzscheme/benchmarks/mz/redsem.scm
index 575f204b2d..a233311e1d 100644
--- a/collects/tests/mzscheme/benchmarks/mz/redsem.scm
+++ b/collects/tests/mzscheme/benchmarks/mz/redsem.scm
@@ -2,5 +2,6 @@
 (collect-garbage)
 (printf "Now\n")
 (time (begin 
+	(run-tests) (run-tests) (run-tests) (run-tests) (run-tests)
 	(run-tests) (run-tests) (run-tests) (run-tests) (run-tests)
 	))