1 files changed, 5 insertions, 1 deletions

diff --git a/keyboards/wilba_tech/wt_rgb_backlight.c b/keyboards/wilba_tech/wt_rgb_backlight.c
index babb844d2..4af8e15e3 100644
--- a/keyboards/wilba_tech/wt_rgb_backlight.c
+++ b/keyboards/wilba_tech/wt_rgb_backlight.c
@@ -50,9 +50,13 @@ LED_TYPE g_ws2812_leds[WS2812_LED_TOTAL];
 #include "quantum/color.h"
 #include "tmk_core/common/eeprom.h"
 
-#include "via.h" // uses only the EEPROM address
+#include "via.h" // uses EEPROM address, lighting value IDs
 #define RGB_BACKLIGHT_CONFIG_EEPROM_ADDR (VIA_EEPROM_CUSTOM_CONFIG_ADDR)
 
+#if VIA_EEPROM_CUSTOM_CONFIG_SIZE == 0
+#error VIA_EEPROM_CUSTOM_CONFIG_SIZE was not defined to store backlight_config struct
+#endif
+
 #if defined(RGB_BACKLIGHT_M6_B)
 #include "drivers/issi/is31fl3218.h"
 #define BACKLIGHT_LED_COUNT 6