diff --git a/daemon/mgmt/config-file.cpp b/daemon/mgmt/config-file.cpp
index 4af6f91..3be86c9 100644
--- a/daemon/mgmt/config-file.cpp
+++ b/daemon/mgmt/config-file.cpp
@@ -26,6 +26,7 @@
 #include "core/logger.hpp"
 
 #include <boost/property_tree/info_parser.hpp>
+#include <fstream>
 
 namespace nfd {
 
@@ -33,7 +34,6 @@
 
 ConfigFile::ConfigFile()
 {
-
 }
 
 void