diff --git a/src/examples/vlib/mc_test.c b/src/examples/vlib/mc_test.c
index e84a713..464d07c 100644
--- a/src/examples/vlib/mc_test.c
+++ b/src/examples/vlib/mc_test.c
@@ -164,7 +164,7 @@
   int i;
   char *intfcs[] = { "eth1", "eth0", "ce" };
 
-  memset (&config, 0, sizeof (config));
+  clib_memset (&config, 0, sizeof (config));
   config.name = "test";
   config.window_size = tm->window_size;
   config.rx_buffer = test_rx_callback;