diff --git a/common/utils/Makefile.inc b/common/utils/Makefile.inc
index bef5a82e3e613abc8901e121841da2524aacd4d1..b49c18a899b57e5f7d335caf0c35410111485c9e 100644
--- a/common/utils/Makefile.inc
+++ b/common/utils/Makefile.inc
@@ -11,7 +11,7 @@ CFLAGS += -Wall -g -ggdb -Wstrict-prototypes -fno-strict-aliasing  -rdynamic
 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=4)
 
 #For performance, if some option doesn't exist in all gcc versions, use $(call cc-option,MY_OPTION)
-CFLAGS += -O3 -funroll-loops 
+CFLAGS += -O2 -funroll-loops 
 CFLAGS += -Wno-packed-bitfield-compat 
 
 # This is the minimum CPU faetures for OAI