diff --git a/kernel/host.c b/kernel/host.c
index d3f16137..67341467 100644
--- a/kernel/host.c
+++ b/kernel/host.c
@@ -715,7 +715,7 @@ void init_host_ikc2linux(int linux_cpu)
 		param.port = 503;
 		param.intr_cpu = linux_cpu;
 		param.pkt_size = sizeof(struct ikc_scd_packet);
-		param.queue_size = PAGE_SIZE * 4;
+		param.queue_size = 2 * num_processors * sizeof(struct ikc_scd_packet);
 		param.magic = 0x1129;
 		param.handler = dummy_packet_handler;