diff --git a/collects/tests/mzscheme/benchmarks/common/mk-bigloo.ss b/collects/tests/mzscheme/benchmarks/common/mk-bigloo.ss
index e5b2e22d45..51a63d4577 100644
--- a/collects/tests/mzscheme/benchmarks/common/mk-bigloo.ss
+++ b/collects/tests/mzscheme/benchmarks/common/mk-bigloo.ss
@@ -11,7 +11,7 @@
     (newline))
   'truncate/replace)
 
-(when (system (format "bigloo -w -o ~a -O6 ~a.scm"
+(when (system (format "bigloo -w -o ~a -copt -O3 -copt -fomit-frame-pointer -O6 ~a.scm"
                       name name))
   (delete-file (format "~a.scm" name))
   (delete-file (format "~a.o" name)))