diff --git a/core/scheduler.cpp b/core/scheduler.cpp
index d0b0f2b..fd310eb 100644
--- a/core/scheduler.cpp
+++ b/core/scheduler.cpp
@@ -36,8 +36,9 @@
 Scheduler&
 getGlobalScheduler()
 {
+  static ndn::DummyIoService io;
   if (g_scheduler.get() == nullptr) {
-    g_scheduler.reset(new Scheduler(getGlobalIoService()));
+    g_scheduler.reset(new Scheduler(io));
   }
 
   return *g_scheduler;