diff --git a/src/security/key-chain.hpp b/src/security/key-chain.hpp
index 28c026e..d9963cd 100644
--- a/src/security/key-chain.hpp
+++ b/src/security/key-chain.hpp
@@ -190,8 +190,7 @@
    * @see generateRsaKeyPair, generateEcdsaKeyPair, generateEcdsaKeyPairAsDefault
    */
   Name
-  generateRsaKeyPairAsDefault(const Name& identityName, bool isKsk = false,
-                              uint32_t keySize = 2048);
+  generateRsaKeyPairAsDefault(const Name& identityName, bool isKsk = false, uint32_t keySize = 2048);
 
   /**
    * @brief Generate a pair of ECDSA keys for the specified identity and set it as default key for
@@ -204,7 +203,7 @@
    * @see generateRsaKeyPair, generateEcdsaKeyPair, generateRsaKeyPairAsDefault
    */
   Name
-  generateEcdsaKeyPairAsDefault(const Name& identityName, bool isKsk, uint32_t keySize = 256);
+  generateEcdsaKeyPairAsDefault(const Name& identityName, bool isKsk = false, uint32_t keySize = 256);
 
   /**
    * @brief prepare an unsigned identity certificate