diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index bd988f53753e..5d72e3d59df8 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -68,6 +68,8 @@ static int spi_mux_select(struct spi_device *spi)
 
 	priv->current_cs = spi_get_chipselect(spi, 0);
 
+	spi_setup(priv->spi);
+
 	return 0;
 }