diff --git a/ndn-cpp/c/encoding/BinaryXMLInterest.h b/ndn-cpp/c/encoding/BinaryXMLInterest.h
index 9a58b78..960871f 100644
--- a/ndn-cpp/c/encoding/BinaryXMLInterest.h
+++ b/ndn-cpp/c/encoding/BinaryXMLInterest.h
@@ -15,9 +15,9 @@
 extern "C" {
 #endif
 
-ndn_Error ndn_encodeBinaryXMLInterest(struct ndn_Interest *interest, struct ndn_BinaryXMLEncoder *encoder);
+ndn_Error ndn_encodeBinaryXmlInterest(struct ndn_Interest *interest, struct ndn_BinaryXmlEncoder *encoder);
 
-ndn_Error ndn_decodeBinaryXMLInterest(struct ndn_Interest *interest, struct ndn_BinaryXMLDecoder *decoder);
+ndn_Error ndn_decodeBinaryXmlInterest(struct ndn_Interest *interest, struct ndn_BinaryXmlDecoder *decoder);
 
 #ifdef	__cplusplus
 }