diff --git a/send-test.c b/send-test.c
index 3775f5fd..a37b7fd6 100644
--- a/send-test.c
+++ b/send-test.c
@@ -354,7 +354,7 @@ static void *process_thread(void *arg_)
 	int ret;
 
 	while (1) {
-		ret = btrfs_read_and_process_send_stream(pipefd[-1],
+		ret = btrfs_read_and_process_send_stream(pipefd[0],
 							 &send_ops_print, arg_, 0);
 		if (ret)
 			break;