diff --git a/wbsio_spi.c b/wbsio_spi.c
index 774890e..38ac2d8 100644
--- a/wbsio_spi.c
+++ b/wbsio_spi.c
@@ -75,6 +75,7 @@
 	.multicommand = default_spi_send_multicommand,
 	.read = wbsio_spi_read,
 	.write_256 = spi_chip_write_1,
+	.write_aai = default_spi_write_aai,
 };
 
 int wbsio_check_for_spi(void)