diff --git a/os/hal/ports/STM32/STM32G0xx/stm32_rcc.h b/os/hal/ports/STM32/STM32G0xx/stm32_rcc.h
index e6bf685a0..3927dea5c 100644
--- a/os/hal/ports/STM32/STM32G0xx/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32G0xx/stm32_rcc.h
@@ -808,14 +808,14 @@
  *
  * @api
  */
-#define rccEnableLPUART1(lp) rccEnableAPBR1(RCC_APBENR1_LPTIM2EN, lp)
+#define rccEnableLPUART1(lp) rccEnableAPBR1(RCC_APBENR1_LPUART1EN, lp)
 
 /**
  * @brief   Disables the LPUART1 peripheral clock.
  *
  * @api
  */
-#define rccDisableLPUART1() rccDisableAPBR1(RCC_APBENR1_LPTIM2EN)
+#define rccDisableLPUART1() rccDisableAPBR1(RCC_APBENR1_LPUART1EN)
 
 /**
  * @brief   Resets the USART1 peripheral.
diff --git a/readme.txt b/readme.txt
index 2df1392db..39ffe5212 100644
--- a/readme.txt
+++ b/readme.txt
@@ -79,8 +79,10 @@
 - NEW: EFL driver and demo for STM32F3xx.
 - NEW: New unit test subsystem under /os/test. Now it is officially
        ChibiOS/TEST.
-- FIX: Support for STM32G491 (bug #1187)(TBP).
-- FIX: fixes for uart clock rounding, missing DMA streams and timers
+- FIX: Fixed invalid RCC LPUART1 clock enable on STM32G0xx (bug #1189)
+       (TBP to 21.6.1)(backported to 20.3.4).
+- FIX: Support for STM32G491 (bug #1187)(TBP to 21.6.1).
+- FIX: Fixes for uart clock rounding, missing DMA streams and timers
        (bug #1186)(TBP).
 - FIX: Fixed invalid check in chVTResetTimeStamp() function (bug #1185)
        (TBP).