diff --git a/lvgl_helpers.c b/lvgl_helpers.c
index 3656103..57ab7dd 100644
--- a/lvgl_helpers.c
+++ b/lvgl_helpers.c
@@ -154,7 +154,7 @@ bool lvgl_spi_driver_init(int host,
     int dma_channel,
     int quadwp_pin, int quadhd_pin)
 {
-    //assert((0 <= host) && (SPI_HOST_MAX > host));
+    assert((0 <= host) && (SPI_HOST_MAX > host));
     const char *spi_names[] = {
         "SPI1_HOST", "SPI2_HOST", "SPI3_HOST"
     };