1 files changed, 2 insertions, 2 deletions

diff --git a/keyboards/handwired/bluepill/keymaps/default/keymap.c b/keyboards/handwired/bluepill/keymaps/default/keymap.c
index 8a3493039..3d93c24d9 100644
--- a/keyboards/handwired/bluepill/keymaps/default/keymap.c
+++ b/keyboards/handwired/bluepill/keymaps/default/keymap.c
@@ -50,8 +50,8 @@ KC_GRAVE, KC_1,   KC_2,   KC_3,   KC_4,   KC_5,   KC_6,   KC_7,   KC_8,   KC_9,
 };
 
 /* Layer based ilumination, just binary */
-uint32_t layer_state_set_user(uint32_t state) {
-  switch (biton32(state)) {
+layer_state_t layer_state_set_user(layer_state_t state) {
+  switch (get_highest_layer(state)) {
   case _FNONE:
     palSetPad(GPIOA, 0);  //OFF Color A
     palClearPad(GPIOA, 1); //ON Color B