diff --git a/src/system/system.c b/src/system/system.c
--- a/src/system/system.c
+++ b/src/system/system.c
@@ -29,16 +29,17 @@ void sysclock_init(void)
 	  HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
 	  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
-	                              |RCC_CLOCKTYPE_PCLK1;
+	                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
 	  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-	  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;
+	  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
 	  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
 	  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-	  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);
+	  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
 
-	  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB|RCC_PERIPHCLK_ADC1;
+	  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB|RCC_PERIPHCLK_ADC1|RCC_PERIPHCLK_TIM17;
 	  PeriphClkInit.USBClockSelection = RCC_USBPLLCLK_DIV1;
 	  PeriphClkInit.Adc1ClockSelection = RCC_ADC1PLLCLK_DIV1;
+	  PeriphClkInit.Tim17ClockSelection = RCC_TIM17CLK_HCLK;
 	  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
 
 	  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);