diff --git a/ndn-cpp/util/changed-event.cpp b/ndn-cpp/util/changed-event.cpp
index 24a87bd..1d12c75 100644
--- a/ndn-cpp/util/changed-event.cpp
+++ b/ndn-cpp/util/changed-event.cpp
@@ -10,7 +10,8 @@
 
 namespace ndn {
 
-void ChangedEvent::fire()
+void 
+ChangedEvent::fire()
 {
   for (unsigned int i = 0; i < listeners_.size(); ++i)
     listeners_[i]();