diff --git a/ndn-cpp/key-chain.cpp b/ndn-cpp/key-chain.cpp
index 8bd18b5..1bd3e63 100644
--- a/ndn-cpp/key-chain.cpp
+++ b/ndn-cpp/key-chain.cpp
@@ -133,7 +133,7 @@
 
 void KeyChain::defaultSign(Data &data, WireFormat &wireFormat)
 {
-  sign(data, DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER), DEFAULT_PRIVATE_KEY_DER, sizeof(DEFAULT_PRIVATE_KEY_DER));
+  sign(data, DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER), DEFAULT_PRIVATE_KEY_DER, sizeof(DEFAULT_PRIVATE_KEY_DER), wireFormat);
 }
 
 void KeyChain::defaultSign(Data &data)