1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 1d4b4e741..00c0f226c 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 # This file is released under the BSD license, see the COPYING file
 
 DEBUG?= -g
-CFLAGS?= -std=c99 -pedantic -O -Wall -W -DSDS_ABORT_ON_OOM
+CFLAGS?= -std=c99 -pedantic -O2 -Wall -W -DSDS_ABORT_ON_OOM
 CCOPT= $(CFLAGS)
 
 OBJ = adlist.o ae.o anet.o dict.o redis.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o