diff --git a/kernel/channel.c b/kernel/channel.c
index a8a022c..4fa349e 100644
--- a/kernel/channel.c
+++ b/kernel/channel.c
@@ -362,11 +362,11 @@ extern kern_status_t channel_write_msg(
 
 	kern_status_t status = vm_region_memmove_v(
 		dest_region,
-		0,
+		offset,
 		msg->msg_resp.msg_data,
 		msg->msg_resp.msg_data_count,
 		src_region,
-		offset,
+		0,
 		src_iov,
 		src_iov_count,
 		VM_REGION_COPY_ALL,