diff --git a/Makefile b/Makefile
index 0c74756..892e577 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ HEADERS=weyl.h thickenings.h queue.h bitvec.h
 #SPECIAL_OPTIONS=-O3 -pg -funroll-loops -fno-inline
 SPECIAL_OPTIONS=-O3 -flto -funroll-loops -Winline
 
-OPTIONS=-m64 -march=native -std=gnu99 -D_GNU_SOURCE $(SPECIAL_OPTIONS)
+OPTIONS=-m64 -march=native -mtune=native -std=gnu99 -D_GNU_SOURCE $(SPECIAL_OPTIONS)
 
 all: enumerate