1 files changed, 2 insertions, 1 deletions

diff --git a/keyboards/planck/keymaps/synth_sample/keymap.c b/keyboards/planck/keymaps/synth_sample/keymap.c
index 87a7479ce..64bfde9aa 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;
 }
 
-void encoder_update(bool clockwise) {
+bool encoder_update(bool clockwise) {
     if (clockwise) {
       #ifdef MOUSEKEY_ENABLE
         register_code(KC_MS_WH_DOWN);
@@ -265,6 +265,7 @@ void encoder_update(bool clockwise) {
         unregister_code(KC_PGUP);
       #endif
     }
+    return true;
 }
 
 void matrix_scan_user(void) {