diff --git a/examples/z_pub_cache.c b/examples/z_pub_cache.c
index bd9fd17ae..1ff355aa2 100644
--- a/examples/z_pub_cache.c
+++ b/examples/z_pub_cache.c
@@ -12,6 +12,7 @@
 //   ZettaScale Zenoh Team, <zenoh@zettascale.tech>
 //
 #include <stdio.h>
+#include <string.h>
 
 #include "zenoh.h"
 #if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)