1 files changed, 1 insertions, 1 deletions

diff --git a/keyboards/planck/keymaps/synth_sample/keymap.c b/keyboards/planck/keymaps/synth_sample/keymap.c
index 8c6b6fe87..0a57b7ce9 100644
--- a/keyboards/planck/keymaps/synth_sample/keymap.c
+++ b/keyboards/planck/keymaps/synth_sample/keymap.c
@@ -247,7 +247,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   return true;
 }
 
-bool encoder_update(bool clockwise) {
+bool encoder_update_user(uint8_t index, bool clockwise) {
     if (clockwise) {
       #ifdef MOUSEKEY_ENABLE
         register_code(KC_MS_WH_DOWN);