diff --git a/lib/env_dpdk/env.c b/lib/env_dpdk/env.c
index 5fbf49bd9..b538c2957 100644
--- a/lib/env_dpdk/env.c
+++ b/lib/env_dpdk/env.c
@@ -85,6 +85,7 @@ spdk_memzone_reserve(const char *name, size_t len, int socket_id, unsigned flags
 	const struct rte_memzone *mz = rte_memzone_reserve(name, len, socket_id, flags);
 
 	if (mz != NULL) {
+		memset(mz->addr, 0, len);
 		return mz->addr;
 	} else {
 		return NULL;