diff --git a/FileWrapper_Lin.cpp b/FileWrapper_Lin.cpp
index 193efe6..bd524f2 100644
--- a/FileWrapper_Lin.cpp
+++ b/FileWrapper_Lin.cpp
@@ -5,6 +5,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <cstdlib>
+#include <cstring>
 
 struct DirWalk::_impl
 {