diff --git a/variants/STM32H5xx/H503KBU/generic_clock.c b/variants/STM32H5xx/H503KBU/generic_clock.c
index 507ca82c57..7af478ad8d 100644
--- a/variants/STM32H5xx/H503KBU/generic_clock.c
+++ b/variants/STM32H5xx/H503KBU/generic_clock.c
@@ -84,7 +84,7 @@ WEAK void SystemClock_Config(void)
   PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2_VCIRANGE_1;
   PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2_VCORANGE_WIDE;
   PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
-  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVR;
+  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVQ | RCC_PLL2_DIVR;
 
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
     Error_Handler();
diff --git a/variants/STM32H5xx/H503RBT/generic_clock.c b/variants/STM32H5xx/H503RBT/generic_clock.c
index d0a8d9ad36..b42d7b7e66 100644
--- a/variants/STM32H5xx/H503RBT/generic_clock.c
+++ b/variants/STM32H5xx/H503RBT/generic_clock.c
@@ -84,7 +84,7 @@ WEAK void SystemClock_Config(void)
   PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2_VCIRANGE_1;
   PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2_VCORANGE_WIDE;
   PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
-  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVR;
+  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVQ | RCC_PLL2_DIVR;
 
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
     Error_Handler();
diff --git a/variants/STM32H5xx/H503RBT/variant_NUCLEO_H503RB.cpp b/variants/STM32H5xx/H503RBT/variant_NUCLEO_H503RB.cpp
index 735beddc6a..91da9dbcbe 100644
--- a/variants/STM32H5xx/H503RBT/variant_NUCLEO_H503RB.cpp
+++ b/variants/STM32H5xx/H503RBT/variant_NUCLEO_H503RB.cpp
@@ -167,7 +167,7 @@ WEAK void SystemClock_Config(void)
   PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2_VCIRANGE_1;
   PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2_VCORANGE_WIDE;
   PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
-  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVR;
+  PeriphClkInitStruct.PLL2.PLL2ClockOut = RCC_PLL2_DIVQ | RCC_PLL2_DIVR;
 
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
     Error_Handler();