diff --git a/ndn-cpp/c/encoding/binary-xml-name.h b/ndn-cpp/c/encoding/binary-xml-name.h
index db2d3cd..6590aaa 100644
--- a/ndn-cpp/c/encoding/binary-xml-name.h
+++ b/ndn-cpp/c/encoding/binary-xml-name.h
@@ -4,14 +4,14 @@
  */
 
 #ifndef NDN_BINARYXMLNAME_H
-#define	NDN_BINARYXMLNAME_H
+#define NDN_BINARYXMLNAME_H
 
 #include "../errors.h"
 #include "../name.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -19,7 +19,7 @@
 
 ndn_Error ndn_decodeBinaryXmlName(struct ndn_Name *name, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif