diff --git a/src/sync-core.cc b/src/sync-core.cc
index f744f26..e6a4b01 100644
--- a/src/sync-core.cc
+++ b/src/sync-core.cc
@@ -69,7 +69,7 @@
 
 SyncCore::~SyncCore()
 {
-  // m_scheduler->shutdown ();
+  m_scheduler->shutdown ();
   // need to "deregister" closures
 }