diff --git a/lib/base/unix.hpp b/lib/base/unix.hpp
index d4dcabcac..5d8133afd 100644
--- a/lib/base/unix.hpp
+++ b/lib/base/unix.hpp
@@ -41,6 +41,7 @@
 #include <dirent.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <strings.h>
 
 typedef int SOCKET;
 #define INVALID_SOCKET (-1)