diff --git a/Makefile b/Makefile
index 694bd61..7354272 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,7 @@ CFLAGS += -Wall
 CFLAGS += -O2
 SIMD_CFLAGS += -mavx
 SIMD_CFLAGS += -mssse3
+SIMD_CFLAGS += -funroll-loops
 CPPFLAGS += -D_GNU_SOURCE
 CPPFLAGS += -DXKBCOMPOSE=$(shell if test -e /usr/include/xkbcommon/xkbcommon-compose.h ; then echo 1 ; else echo 0 ; fi )
 CFLAGS += $(shell $(PKG_CONFIG) --cflags cairo xcb-dpms xcb-xinerama xcb-atom xcb-image xcb-xkb xkbcommon xkbcommon-x11)