diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b4437c7..89909dd 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -411,8 +411,12 @@
 				 const __u16 lport, const __be32 faddr,
 				 const __be16 fport)
 {
+	static u32 udp_ehash_secret __read_mostly;
+
+	net_get_random_once(&udp_ehash_secret, sizeof(udp_ehash_secret));
+
 	return __inet_ehashfn(laddr, lport, faddr, fport,
-			      inet_ehash_secret + net_hash_mix(net));
+			      udp_ehash_secret + net_hash_mix(net));
 }