diff --git a/s/travis-build b/s/travis-build
index e326d7b10..9344f3b6b 100755
--- a/s/travis-build
+++ b/s/travis-build
@@ -39,5 +39,8 @@ cd ../process
 make
 cd $ROOT
 inifile
+luarocks install lunitx --local
+eval $(luarocks path)
 s/runtests -V
 integration_tests
+