diff --git a/exercises/line_splitter/exercise.js b/exercises/line_splitter/exercise.js
index 2fef3d2..043885f 100644
--- a/exercises/line_splitter/exercise.js
+++ b/exercises/line_splitter/exercise.js
@@ -7,7 +7,7 @@ var fs            = require('fs')
   , comparestdout = require('workshopper-exercise/comparestdout')
   , boganipsum    = require('boganipsum')
 
-  , testFile      = path.join(os.tmpDir(), '_learnyounode_' + process.pid + '.txt')
+  , testFile      = path.join(os.tmpdir(), '_learnyounode_' + process.pid + '.txt')
 
 // checks that the submission file actually exists
 exercise = filecheck(exercise)