diff --git a/boards/saml21-xpro/include/periph_conf.h b/boards/saml21-xpro/include/periph_conf.h
index b4e5cea27e..2524a192ae 100644
--- a/boards/saml21-xpro/include/periph_conf.h
+++ b/boards/saml21-xpro/include/periph_conf.h
@@ -120,6 +120,10 @@ static const spi_conf_t spi_config[] = {
         .miso_pad = SPI_PAD_MISO_0,
         .mosi_pad = SPI_PAD_MOSI_2_SCK_3,
         .gclk_src = SAM0_GCLK_MAIN,
+#ifdef MODULE_PERIPH_DMA
+        .tx_trigger = SERCOM0_DMAC_ID_TX,
+        .rx_trigger = SERCOM0_DMAC_ID_RX,
+#endif
     }
 };