diff --git a/src/drivers/stm32/drv_hrt.c b/src/drivers/stm32/drv_hrt.c
index 0ea6bd8d04..74c81b7a0e 100644
--- a/src/drivers/stm32/drv_hrt.c
+++ b/src/drivers/stm32/drv_hrt.c
@@ -112,7 +112,7 @@
 #elif HRT_TIMER == 5
 # define HRT_TIMER_BASE		STM32_TIM5_BASE
 # define HRT_TIMER_POWER_REG	STM32_RCC_APB1ENR
-# define HRT_TIMER_POWER_BIT	RCC_APB2ENR_TIM5EN
+# define HRT_TIMER_POWER_BIT	RCC_APB1ENR_TIM5EN
 # define HRT_TIMER_VECTOR	STM32_IRQ_TIM5
 # define HRT_TIMER_CLOCK	STM32_APB1_TIM5_CLKIN
 # if CONFIG_STM32_TIM5
@@ -138,7 +138,7 @@
 # endif
 #elif HRT_TIMER == 10
 # define HRT_TIMER_BASE		STM32_TIM10_BASE
-# define HRT_TIMER_POWER_REG	STM32_RCC_APB1ENR
+# define HRT_TIMER_POWER_REG	STM32_RCC_APB2ENR
 # define HRT_TIMER_POWER_BIT	RCC_APB2ENR_TIM10EN
 # define HRT_TIMER_VECTOR	STM32_IRQ_TIM1UP
 # define HRT_TIMER_CLOCK	STM32_APB2_TIM10_CLKIN
@@ -147,7 +147,7 @@
 # endif
 #elif HRT_TIMER == 11
 # define HRT_TIMER_BASE		STM32_TIM11_BASE
-# define HRT_TIMER_POWER_REG	STM32_RCC_APB1ENR
+# define HRT_TIMER_POWER_REG	STM32_RCC_APB2ENR
 # define HRT_TIMER_POWER_BIT	RCC_APB2ENR_TIM11EN
 # define HRT_TIMER_VECTOR	STM32_IRQ_TIM1TRGCOM
 # define HRT_TIMER_CLOCK	STM32_APB2_TIM11_CLKIN