diff --git a/sys/netgraph/ng_base.c b/sys/netgraph/ng_base.c
index f40ebbebb9f9..cc2d2d65ac49 100644
--- a/sys/netgraph/ng_base.c
+++ b/sys/netgraph/ng_base.c
@@ -2947,7 +2947,7 @@ uma_zone_t			ng_qzone;
 uma_zone_t			ng_qdzone;
 static int			numthreads = 0; /* number of queue threads */
 static int			maxalloc = 4096;/* limit the damage of a leak */
-static int			maxdata = 512;	/* limit the damage of a DoS */
+static int			maxdata = 4096;	/* limit the damage of a DoS */
 
 TUNABLE_INT("net.graph.threads", &numthreads);
 SYSCTL_INT(_net_graph, OID_AUTO, threads, CTLFLAG_RDTUN, &numthreads,