diff --git a/include/sta/Sta.hh b/include/sta/Sta.hh
index 7c1f88ad..71a5720f 100644
--- a/include/sta/Sta.hh
+++ b/include/sta/Sta.hh
@@ -1325,6 +1325,7 @@ public:
   // Ensure that the timing graph has been built.
   Graph *ensureGraph();
   void ensureClkArrivals();
+  Levelize* levelize() const { return levelize_; }
 
   // Find all arc delays and vertex slews with delay calculator.
   virtual void findDelays();