diff --git a/s/cmake-init b/s/cmake-init
index eea222334..22d98b42e 100755
--- a/s/cmake-init
+++ b/s/cmake-init
@@ -125,6 +125,7 @@ TOLUA
 else
  echo "tolua is $path"
 fi
+luarocks --local install lunitx
 unset path
 
 set -e