diff --git a/build.sh b/build.sh
index 2203790..9eaee66 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 #/bin/#!/usr/bin/env bash
 echo "making levels.c"
 rm src/levels.c
-lua5.3 levels.lua >> src/levels.c
+luajit levels.lua >> src/levels.c
 echo "building for cg"
 fxsdk build-cg
 echo "done"