diff --git a/collects/tests/racket/benchmarks/common/mk-chicken.rktl b/collects/tests/racket/benchmarks/common/mk-chicken.rktl
index e71a86e88d..f68ef27be7 100644
--- a/collects/tests/racket/benchmarks/common/mk-chicken.rktl
+++ b/collects/tests/racket/benchmarks/common/mk-chicken.rktl
@@ -2,5 +2,5 @@
 
 (define name (vector-ref (current-command-line-arguments) 0))
 
-(system (format "csc -no-warnings -no-trace -no-lambda-info -optimize-level 3 -block ~a.sch" 
+(system (format "csc -no-warnings -no-trace -no-lambda-info -optimize-level 3 -block -d0 ~a.sch"
                 name))