diff --git a/bin/buildpkg b/bin/buildpkg
index 4bce40b..179f8c9 100755
--- a/bin/buildpkg
+++ b/bin/buildpkg
@@ -95,7 +95,7 @@ createbuildroot() {
 	sed -i -e '/ParallelDownloads/ s/^#*/#/' "${BUILDDIR}"/etc/pacman.conf
 	sed -i -e '/MAKEFLAGS=/ s/^#*/#/' "${BUILDDIR}"/etc/makepkg.conf
 	local -r CPUCORES=$(grep -c ^processor /proc/cpuinfo)
-	sed -i "s/^MAKEFLAGS=.*/MAKEFLAGS=\"-j${CPUCORES}\"/" "${BUILDDIR}"/etc/makepkg.conf
+	sed -i "s/^MAKEFLAGS=.*/MAKEFLAGS=\"-j$((CPUCORES+1))\"/" "${BUILDDIR}"/etc/makepkg.conf
 	sed -i 's/^#MAKEFLAGS=/MAKEFLAGS=/g' "${BUILDDIR}"/etc/makepkg.conf
 }
 configurebuildroot() {