diff --git a/quantum/process_keycode/process_unicode.c b/quantum/process_keycode/process_unicode.c
index a5d7dca21e..6a30afe293 100644
--- a/quantum/process_keycode/process_unicode.c
+++ b/quantum/process_keycode/process_unicode.c
@@ -2,6 +2,7 @@
 
 static uint8_t input_mode;
 
+__attribute__((weak))
 uint16_t hex_to_keycode(uint8_t hex)
 {
   if (hex == 0x0) {