diff --git a/lib/apiserver/routers/matrix.js b/lib/apiserver/routers/matrix.js
index c5ee875..4a16602 100644
--- a/lib/apiserver/routers/matrix.js
+++ b/lib/apiserver/routers/matrix.js
@@ -12,7 +12,7 @@ const pageIndex = (req, res) => {
     matrix.start_time_from_now = moment(matrix.start_time).fromNow();
     matrix.uptime_secs = process.uptime();
     matrix.loadavg = os.loadavg();
-    matrix.workdir = process.cwd;
+    matrix.workdir = process.cwd();
     matrix.memory_usage = process.memoryUsage();
 
     res.json(matrix);