diff --git a/os/hal/ports/STM32/LLD/FDCANv1/hal_can_lld.c b/os/hal/ports/STM32/LLD/FDCANv1/hal_can_lld.c
index 7d51dc868..66ed7618d 100644
--- a/os/hal/ports/STM32/LLD/FDCANv1/hal_can_lld.c
+++ b/os/hal/ports/STM32/LLD/FDCANv1/hal_can_lld.c
@@ -525,8 +525,6 @@ void can_lld_wakeup(CANDriver *canp) {
 }
 #endif /* CAN_USE_SLEEP_MODE */
 
-#endif /* HAL_USE_CAN */
-
 /**
  * @brief   FDCAN IRQ0 service routine.
  *
@@ -567,4 +565,6 @@ void can_lld_serve_interrupt(CANDriver *canp) {
   }
 }
 
+#endif /* HAL_USE_CAN */
+
 /** @} */
diff --git a/readme.txt b/readme.txt
index fe6952d12..2ab985cf8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,6 +89,8 @@
        MEMS Accelerometers.
 - NEW: Safer messages mechanism for sandboxes (to be backported to 20.3.1).
 - NEW: Added latency measurement test application.
+- FIX: Fixed STM32G4 demos compile fails if smart mode is disabled (bug #1094)
+       (backported to 20.3.2).
 - FIX: Fixed failure in chSemReset() function when counter is equal to MAXINT
        (bug #1093)(backported to 20.3.2)(backported to 19.1.5).
 - FIX: Fixed swapped definition in ST_STM32F746G_DISCOVERY board files