diff --git a/code/leak.c b/code/leak.c
index 0eced4727..c41cae5cf 100644
--- a/code/leak.c
+++ b/code/leak.c
@@ -49,7 +49,7 @@ main(void)
 	    PIPE_BUFFER);
 	for (size_t i = 0; i < SPRAY; i++) {
 		pipe2(pipes[i], O_NONBLOCK);
-		fcntl(pipes[i][0], F_SETPIPE_SZ, 8192);
+		fcntl(pipes[i][0], F_SETPIPE_SZ, 2 << 12);
 		write(pipes[i][1], buffer, 8);
 	}