diff --git a/include/ndn-cpp/interest.hpp b/include/ndn-cpp/interest.hpp
index e4e20ba..aee7e0d 100644
--- a/include/ndn-cpp/interest.hpp
+++ b/include/ndn-cpp/interest.hpp
@@ -354,7 +354,7 @@
   setInterestLifetimeMilliseconds(Milliseconds value) { interestLifetimeMilliseconds_ = value; }
 
   void 
-  setNonce(const std::vector<uint8_t>& value) { nonce_ = value; }
+  setNonce(const Blob& value) { nonce_ = value; }
   
 private:
   void