Index: head/usr.bin/netstat/mroute.c
===================================================================
--- head/usr.bin/netstat/mroute.c
+++ head/usr.bin/netstat/mroute.c
@@ -409,14 +409,12 @@
 
 	mstaddr = nl[N_MRTSTAT].n_value;
 
-	if (mstaddr == 0) {
-		fprintf(stderr, "No IPv4 MROUTING kernel support.\n");
-		return;
-	}
-
 	if (fetch_stats("net.inet.ip.mrtstat", mstaddr, &mrtstat,
-	    sizeof(mrtstat), kread_counters) != 0)
+	    sizeof(mrtstat), kread_counters) != 0) {
+		if ((live && errno == ENOENT) || (!live && mstaddr == 0))
+			fprintf(stderr, "No IPv4 MROUTING kernel support.\n");
 		return;
+	}
 
 	xo_emit("{T:IPv4 multicast forwarding}:\n");