diff --git a/build-system/makepkg.conf b/build-system/makepkg.conf
index 57aeb1a..aa016e5 100644
--- a/build-system/makepkg.conf
+++ b/build-system/makepkg.conf
@@ -2,7 +2,7 @@ COMPRESSBZ2=(pbzip2 -c -f)
 COMPRESSGZ=(pigz -c -f -n)
 COMPRESSXZ=(xz -c -z - --threads=0)
 PKGEXT='.pkg.tar'
-CFLAGS="-mtune=native -march=native -O2 -pipe -fstack-protector-strong -fno-plt -w -Wno-c++11-narrowing"
+CFLAGS="-mtune=native -march=native -O3 -pipe -fstack-protector-strong -fno-plt -w -Wno-c++11-narrowing"
 CXXFLAGS="${CFLAGS}"
 MAKEFLAGS="-j12"
 PACKAGER="Alison Watson <marrub@greyserv.net>"