diff --git a/platforms/arm_atsam/hardware_id.c b/platforms/arm_atsam/hardware_id.c
index 8b3b35a492..fc193e46d8 100644
--- a/platforms/arm_atsam/hardware_id.c
+++ b/platforms/arm_atsam/hardware_id.c
@@ -3,7 +3,7 @@
 
 #include "hardware_id.h"
 
-hardware_id_t get_hardware_id(void) {
+__attribute__((weak)) hardware_id_t get_hardware_id(void) {
     hardware_id_t id = {0};
     return id;
 }
diff --git a/platforms/avr/hardware_id.c b/platforms/avr/hardware_id.c
index b61f0d92df..302a800e0b 100644
--- a/platforms/avr/hardware_id.c
+++ b/platforms/avr/hardware_id.c
@@ -10,7 +10,7 @@
 #include <avr/boot.h>
 #include "hardware_id.h"
 
-hardware_id_t get_hardware_id(void) {
+__attribute__((weak)) hardware_id_t get_hardware_id(void) {
     hardware_id_t id = {0};
     for (uint8_t i = 0; i < 10; i += 1) {
         ((uint8_t*)&id)[i] = boot_signature_byte_get(i + 0x0E);
diff --git a/platforms/chibios/hardware_id.c b/platforms/chibios/hardware_id.c
index 1097db5966..fb67a0a63e 100644
--- a/platforms/chibios/hardware_id.c
+++ b/platforms/chibios/hardware_id.c
@@ -4,7 +4,7 @@
 #include <ch.h>
 #include "hardware_id.h"
 
-hardware_id_t get_hardware_id(void) {
+__attribute__((weak)) hardware_id_t get_hardware_id(void) {
     hardware_id_t id = {0};
 #if defined(RP2040)
     // Forward declare as including "hardware/flash.h" here causes more issues...