--- a/PKGBUILD
+++ b/PKGBUILD
@@ -20,7 +20,7 @@ md5sums=('824aa2684a11e3cc3abe87350a7b6139'
 build() { 
   cd $srcdir/LuaJIT-${pkgver/b/-beta}
   patch -Np0 -i $srcdir/Makefile.patch
-  make
+  make PREFIX=/usr
 }
 
 package() {