diff --git a/keyboards/handwired/set_st/rp2040/rp2040.c b/keyboards/handwired/set_st/rp2040/rp2040.c
index 915da28484e..c20bb1a4d44 100644
--- a/keyboards/handwired/set_st/rp2040/rp2040.c
+++ b/keyboards/handwired/set_st/rp2040/rp2040.c
@@ -18,6 +18,13 @@
 
 #ifdef OLED_ENABLE
 
+enum layers{
+  BASE,
+  FN,
+  MEDIA,
+  LIGHT
+};
+
 bool oled_task_user(void) {
     // Set cursor position
     oled_set_cursor(0, 0);