diff --git a/ndn-cpp/util/logging.hpp b/ndn-cpp/util/logging.hpp
index f1afe72..b668133 100644
--- a/ndn-cpp/util/logging.hpp
+++ b/ndn-cpp/util/logging.hpp
@@ -7,7 +7,7 @@
  */
 
 #ifndef NDN_LOGGING_HPP
-#define	NDN_LOGGING_HPP
+#define NDN_LOGGING_HPP
 
 #include <ndn-cpp//common.hpp>