diff --git a/tools/beamsplitter/emitters/serializer.template b/tools/beamsplitter/emitters/serializer.template
index 412bddc334..863d15d3c5 100644
--- a/tools/beamsplitter/emitters/serializer.template
+++ b/tools/beamsplitter/emitters/serializer.template
@@ -6,6 +6,7 @@
 #include <utils/Log.h>
 
 #include <ostream>
+#include <cstring>
 
 #include "jsonParseUtils.h"