diff --git a/sdn.cpp b/sdn.cpp
index 07ba5e3..6837f8c 100644
--- a/sdn.cpp
+++ b/sdn.cpp
@@ -30,6 +30,7 @@
 #include <fstream>
 #include <map>
 #include <tuple>
+#include <memory>
 
 #include <unistd.h>
 #include <dirent.h>