1 files changed, 2 insertions, 1 deletions

diff --git a/keyboards/gmmk/pro/keymaps/default/keymap.c b/keyboards/gmmk/pro/keymaps/default/keymap.c
index 9e5796ac1..b08400cd8 100644
--- a/keyboards/gmmk/pro/keymaps/default/keymap.c
+++ b/keyboards/gmmk/pro/keymaps/default/keymap.c
@@ -55,10 +55,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 };
 
 
-void encoder_update_user(uint8_t index, bool clockwise) {
+bool encoder_update_user(uint8_t index, bool clockwise) {
     if (clockwise) {
       tap_code(KC_VOLU);
     } else {
       tap_code(KC_VOLD);
     }
+    return true;
 }