diff --git a/fairmq/FairMQSocket.cxx b/fairmq/FairMQSocket.cxx
index a32fdfd5..e57dc776 100644
--- a/fairmq/FairMQSocket.cxx
+++ b/fairmq/FairMQSocket.cxx
@@ -13,6 +13,7 @@
  */
 
 #include "FairMQSocket.h"
+#include <cstring>
 
 bool FairMQSocket::Attach(const std::string& config, bool serverish)
 {