diff --git a/lib/vhost/rte_vhost/vhost.c b/lib/vhost/rte_vhost/vhost.c
index 61cbb1209..d9c119f99 100644
--- a/lib/vhost/rte_vhost/vhost.c
+++ b/lib/vhost/rte_vhost/vhost.c
@@ -521,6 +521,13 @@ rte_vhost_vring_call(int vid, uint16_t vring_idx)
 	if (!vq)
 		return -1;
 
+	/* Ensure all our used ring changes are visible to the guest at the time
+	 * of interrupt.
+	 * TODO: this is currently an sfence on x86. For other architectures we
+	 * will most likely need an smp_mb(), but smp_mb() is an overkill for x86.
+	 */
+	rte_wmb();
+
 	if (vq->callfd != -1) {
 		eventfd_write(vq->callfd, (eventfd_t)1);
 		return 0;
diff --git a/lib/vhost/vhost.c b/lib/vhost/vhost.c
index b2c675f08..15564562c 100644
--- a/lib/vhost/vhost.c
+++ b/lib/vhost/vhost.c
@@ -463,13 +463,6 @@ spdk_vhost_vq_used_ring_enqueue(struct spdk_vhost_session *vsession,
 	* (volatile uint16_t *) &used->idx = virtqueue->last_used_idx;
 	spdk_vhost_log_used_vring_idx(vsession, virtqueue);
 
-	/* Ensure all our used ring changes are visible to the guest at the time
-	 * of interrupt.
-	 * TODO: this is currently an sfence on x86. For other architectures we
-	 * will most likely need an smp_mb(), but smp_mb() is an overkill for x86.
-	 */
-	spdk_wmb();
-
 	virtqueue->used_req_cnt++;
 }