diff --git a/lvgl_spi_conf.h b/lvgl_spi_conf.h
index 34e784f..310cb36 100644
--- a/lvgl_spi_conf.h
+++ b/lvgl_spi_conf.h
@@ -68,6 +68,9 @@ extern "C" {
 #define TFT_SPI_HOST SPI2_HOST
 #elif defined (CONFIG_LV_TFT_DISPLAY_SPI3_HOST)
 #define TFT_SPI_HOST SPI3_HOST
+#else
+/* FIXME: This is not expected to work, only a placeholder */
+#define TFT_SPI_HOST 0
 #endif
 
 #if defined (CONFIG_LV_TFT_DISPLAY_SPI_HALF_DUPLEX)