diff --git a/code/nel/include/nel/misc/string_common.h b/code/nel/include/nel/misc/string_common.h
index 4a455247d..d6f7eec70 100644
--- a/code/nel/include/nel/misc/string_common.h
+++ b/code/nel/include/nel/misc/string_common.h
@@ -20,6 +20,7 @@
 #include "types_nl.h"
 
 #include <cstdio>
+#include <cstring>
 #include <cstdarg>
 #include <errno.h>