diff --git a/newbrt/Makefile b/newbrt/Makefile
index 91a6603c155..28f89c08f65 100644
--- a/newbrt/Makefile
+++ b/newbrt/Makefile
@@ -8,7 +8,7 @@
 
 # GCOV_FLAGS = -fprofile-arcs -ftest-coverage
 # PROF_FLAGS = -pg
-# OPTFLAGS = -O2
+OPTFLAGS = -O2
 
 ifeq ($(VERBOSE),2)
 VERBVERBOSE=-v