diff --git a/directory.cpp b/directory.cpp
index 5f0d78a..b94cbe5 100644
--- a/directory.cpp
+++ b/directory.cpp
@@ -2,6 +2,7 @@
 #include <dirent.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <cstring>
 
 #include "directory.h"