diff --git a/src/configBitstreamParser.cpp b/src/configBitstreamParser.cpp
index c4b823d..4cb8a44 100644
--- a/src/configBitstreamParser.cpp
+++ b/src/configBitstreamParser.cpp
@@ -10,7 +10,7 @@ ConfigBitstreamParser::ConfigBitstreamParser(string filename, int mode,
 			bool verbose):
 			_filename(filename), _bit_length(0),
 			_file_size(0), _verbose(verbose), _fd(filename,
-			ifstream::in | (ios_base::openmode)mode), _bit_data()
+			ifstream::in | (ios_base::openmode)mode), _bit_data(), _hdr()
 {
 	if (!_fd.is_open()) {
 		cerr << "Error: fail to open " << _filename << endl;
diff --git a/src/configBitstreamParser.hpp b/src/configBitstreamParser.hpp
index f001fc7..8744669 100644
--- a/src/configBitstreamParser.hpp
+++ b/src/configBitstreamParser.hpp
@@ -4,6 +4,7 @@
 #include <iostream>
 #include <fstream>
 #include <stdint.h>
+#include <map>
 
 class ConfigBitstreamParser {
 	public:
@@ -28,6 +29,7 @@ class ConfigBitstreamParser {
 		bool _verbose;
 		std::ifstream _fd;
 		std::string _bit_data;
+		std::map<std::string, std::string> _hdr;
 };
 
 #endif