diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c
index 4d320eaf1fd..3e5ce6283f0 100644
--- a/sys/netinet/ip_icmp.c
+++ b/sys/netinet/ip_icmp.c
@@ -154,7 +154,7 @@ SYSCTL_INT(_net_inet_icmp, OID_AUTO, bmcastecho, CTLFLAG_VNET | CTLFLAG_RW,
 
 VNET_DEFINE_STATIC(int, icmptstamprepl) = 1;
 #define	V_icmptstamprepl		VNET(icmptstamprepl)
-SYSCTL_INT(_net_inet_icmp, OID_AUTO, tstamprepl, CTLFLAG_RW,
+SYSCTL_INT(_net_inet_icmp, OID_AUTO, tstamprepl, CTLFLAG_VNET | CTLFLAG_RW,
 	&VNET_NAME(icmptstamprepl), 0,
 	"Respond to ICMP Timestamp packets");