diff --git a/kernel/host.c b/kernel/host.c
index 75c04a65..621b267a 100644
--- a/kernel/host.c
+++ b/kernel/host.c
@@ -643,7 +643,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
 		pckt.msg = SCD_MSG_PERF_ACK;
 		pckt.err = 0;
 		pckt.arg = packet->arg;
-		ihk_ikc_send(c, &pckt, 0);
+		ihk_ikc_send(resp_channel, &pckt, 0);
 
 		ret = 0;
 		break;