diff --git a/src/schedule.c b/src/schedule.c
index 4a33789..e800f32 100644
--- a/src/schedule.c
+++ b/src/schedule.c
@@ -75,18 +75,18 @@ hexagram_schedule *hexagram_schedule_create(hexagram_schedule_table_entry *table
         goto error_malloc_schedule;
     }
 
-    memset(schedule, '\0', sizeof(*schedule));
-
-    schedule->current = 0;
-    schedule->error   = 0;
-    schedule->count   = count;
-    schedule->table   = table;
-    schedule->ctx     = ctx;
+    memset(&schedule->ev, '\0', sizeof(struct sigevent));
 
     schedule->ev.sigev_notify          = SIGEV_THREAD;
     schedule->ev.sigev_notify_function = _ev_notify;
     schedule->ev.sigev_value.sival_ptr = schedule;
 
+    schedule->current = 0;
+    schedule->count   = count;
+    schedule->table   = table;
+    schedule->ctx     = ctx;
+    schedule->error   = 0;
+
     if (timer_create(CLOCK_REALTIME, &schedule->ev, &schedule->timer) < 0) {
         goto error_timer_create;
     }