diff --git a/examples/rime/example-mesh.c b/examples/rime/example-mesh.c
index f4e58f0b4..f139e5dbc 100644
--- a/examples/rime/example-mesh.c
+++ b/examples/rime/example-mesh.c
@@ -47,6 +47,7 @@
 #include "dev/leds.h"
 
 #include <stdio.h>
+#include <string.h>
 
 #define MESSAGE "Hello"