diff --git a/Makefile b/Makefile
index 654b45c..6e2460d 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 # Install: make install PREFIX=/usr/local
 
 CC      ?= cc
-CFLAGS  ?= -O2 -s -std=c11 -Wall -Wextra
+CFLAGS  ?= -O2 -s -std=c11 -Wall -Wextra -march=native
 CPPFLAGS += -D_POSIX_C_SOURCE=200809L -D_DEFAULT_SOURCE
 LDFLAGS ?=
 LDLIBS  += -lpthread