diff --git a/lib/vhost/rte_vhost_17_05/vhost.c b/lib/vhost/rte_vhost_17_05/vhost.c
index dc63208b09..74c12040ee 100644
--- a/lib/vhost/rte_vhost_17_05/vhost.c
+++ b/lib/vhost/rte_vhost_17_05/vhost.c
@@ -369,7 +369,7 @@ rte_vhost_get_mem_table(int vid, struct rte_vhost_memory **mem)
 		return -1;
 
 	size = dev->mem->nregions * sizeof(struct rte_vhost_mem_region);
-	m = malloc(size);
+	m = malloc(sizeof(struct rte_vhost_memory) + size);
 	if (!m)
 		return -1;