diff --git a/ndn-cpp/common.cpp b/ndn-cpp/common.cpp
index 498abe1..d1c55f3 100644
--- a/ndn-cpp/common.cpp
+++ b/ndn-cpp/common.cpp
@@ -11,7 +11,8 @@
 
 namespace ndn {
 
-string toHex(const vector<unsigned char>& array) 
+string 
+toHex(const vector<unsigned char>& array) 
 {
   if (!&array)
     return "";