diff --git a/drivers/ili9341/ili9341.c b/drivers/ili9341/ili9341.c
index 243744d5f1..455c3faffb 100644
--- a/drivers/ili9341/ili9341.c
+++ b/drivers/ili9341/ili9341.c
@@ -23,6 +23,8 @@
 #include "byteorder.h"
 #include "periph/spi.h"
 #include "xtimer.h"
+#include "kernel_defines.h"
+
 #include "ili9341.h"
 #include "ili9341_internal.h"
 
@@ -248,9 +250,11 @@ void ili9341_fill(const ili9341_t *dev, uint16_t x1, uint16_t x2, uint16_t y1,
     _ili9341_set_area(dev, x1, x2, y1, y2);
     /* Memory access command */
     _ili9341_cmd_start(dev, ILI9341_CMD_RAMWR, true);
-#if ILI9341_LE_MODE
-    color = htons(color);
-#endif
+
+    if (IS_ACTIVE(CONFIG_ILI9341_LE_MODE)) {
+        color = htons(color);
+    }
+
     for (int i = 0; i < (num_pix - 1); i++) {
         spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, true,
                            (uint8_t *)&color, NULL, sizeof(color));
@@ -277,20 +281,20 @@ void ili9341_pixmap(const ili9341_t *dev, uint16_t x1, uint16_t x2,
     /* Memory access command */
     _ili9341_cmd_start(dev, ILI9341_CMD_RAMWR, true);
 
-#if ILI9341_LE_MODE
-    for (size_t i = 0; i < num_pix - 1; i++) {
-        uint16_t ncolor = htons(*(color + i));
-        spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, true,
+    if (IS_ACTIVE(CONFIG_ILI9341_LE_MODE)) {
+        for (size_t i = 0; i < num_pix - 1; i++) {
+            uint16_t ncolor = htons(*(color + i));
+            spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, true,
+                               &ncolor, NULL, sizeof(uint16_t));
+        }
+        uint16_t ncolor = htons(*(color + num_pix - 1));
+        spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, false,
                            &ncolor, NULL, sizeof(uint16_t));
     }
-    uint16_t ncolor = htons(*(color + num_pix - 1));
-    spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, false,
-                       &ncolor, NULL, sizeof(uint16_t));
-#else
-    spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, false,
-                       (const uint8_t *)color, NULL, num_pix * 2);
-
-#endif
+    else {
+        spi_transfer_bytes(dev->params->spi, dev->params->cs_pin, false,
+                           (const uint8_t *)color, NULL, num_pix * 2);
+    }
 
     spi_release(dev->params->spi);
 }
diff --git a/drivers/include/ili9341.h b/drivers/include/ili9341.h
index 4fb5d067a6..1951966f3f 100644
--- a/drivers/include/ili9341.h
+++ b/drivers/include/ili9341.h
@@ -23,7 +23,7 @@
  * implemented here operates over SPI to communicate with the device.
  *
  * The device requires colors to be send in big endian RGB-565 format. The
- * @ref ILI9341_LE_MODE compile time option can switch this, but only use this
+ * @ref CONFIG_ILI9341_LE_MODE compile time option can switch this, but only use this
  * when strictly necessary. This option will slow down the driver as it
  * certainly can't use DMA anymore, every short has to be converted before
  * transfer.
@@ -82,8 +82,8 @@ extern "C" {
  * Compile time switch to change the driver to convert little endian
  * colors to big endian.
  */
-#ifndef ILI9341_LE_MODE
-#define ILI9341_LE_MODE     (0)
+#ifdef DOXYGEN
+#define CONFIG_ILI9341_LE_MODE
 #endif
 /** @} */
 
diff --git a/tests/driver_ili9341/Makefile b/tests/driver_ili9341/Makefile
index cb1b116be4..a62200a91c 100644
--- a/tests/driver_ili9341/Makefile
+++ b/tests/driver_ili9341/Makefile
@@ -4,7 +4,7 @@ include ../Makefile.tests_common
 USEMODULE += ili9341
 USEMODULE += xtimer
 
-CFLAGS += -DILI9341_LE_MODE
+CFLAGS += -DCONFIG_ILI9341_LE_MODE
 
 include $(RIOTBASE)/Makefile.include