diff --git a/src/logger.hpp b/src/logger.hpp
index 706c6df..25847a4 100644
--- a/src/logger.hpp
+++ b/src/logger.hpp
@@ -11,6 +11,7 @@
 #define NTG_LOGGER_HPP
 
 #include <string>
+#include <fstream>
 #include <boost/filesystem.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>