diff --git a/lib/layout.js b/lib/layout.js
index 26b07304..c115ab01 100644
--- a/lib/layout.js
+++ b/lib/layout.js
@@ -19,11 +19,12 @@ module.exports = layout;
 
 function layout(g, opts) {
   var time = opts && opts.debugTiming ? util.time : util.notime;
-  time("layout", function() {
+  return time("layout", function() {
     var layoutGraph = 
       time("  buildLayoutGraph", function() { return buildLayoutGraph(g); });
     time("  runLayout",        function() { runLayout(layoutGraph, time); });
     time("  updateInputGraph", function() { updateInputGraph(g, layoutGraph); });
+    return layoutGraph;
   });
 }