diff --git a/src/models/networks/model-net/model-net-sched.c b/src/models/networks/model-net/model-net-sched.c
index 1498a9d8c258c194c29a33a1e24a21e1abc7ea25..a89053a3b480dd9ef0ab336dc7cfb4804881f16c 100644
--- a/src/models/networks/model-net/model-net-sched.c
+++ b/src/models/networks/model-net/model-net-sched.c
@@ -163,6 +163,8 @@ void fcfs_add (
         model_net_sched_rc *rc, 
         tw_lp *lp){
     mn_sched_qitem *q = malloc(sizeof(mn_sched_qitem));
+    assert(q);
+    memset(q, 0, sizeof(*q));
     q->req = *req;
     q->rem = req->is_pull ? PULL_MSG_SIZE : req->msg_size;
     if (remote_event_size > 0){