diff --git a/ndn-cpp/security/identity/identity-manager.cpp b/ndn-cpp/security/identity/identity-manager.cpp
index 1d0639f..3955518 100644
--- a/ndn-cpp/security/identity/identity-manager.cpp
+++ b/ndn-cpp/security/identity/identity-manager.cpp
@@ -9,7 +9,8 @@
 
 namespace ndn {
 
-void IdentityManager::signByCertificate(const Data &data, const Name &certificateName, WireFormat& wireFormat)
+void 
+IdentityManager::signByCertificate(const Data &data, const Name &certificateName, WireFormat& wireFormat)
 {
   
 }