diff --git a/src/vppinfra/test_timing_wheel.c b/src/vppinfra/test_timing_wheel.c
index 7cf6e0c..48020d5 100644
--- a/src/vppinfra/test_timing_wheel.c
+++ b/src/vppinfra/test_timing_wheel.c
@@ -97,7 +97,7 @@
   timing_wheel_t *w = &tm->timing_wheel;
   uword iter, i;
 
-  memset (tm, 0, sizeof (tm[0]));
+  clib_memset (tm, 0, sizeof (tm[0]));
   tm->n_iter = 10;
   tm->time_per_status_update = 0;
   tm->n_events = 100;