diff --git a/App/App.cpp b/App/App.cpp
index 1befa0f..964e63e 100644
--- a/App/App.cpp
+++ b/App/App.cpp
@@ -65,9 +65,11 @@ void StartSparkle( Sparkle &s )
 #endif
 }
 
-extern "C" void HandleSpiDmaIrq()
+extern "C" void DMA1_Channel3_IRQHandler(void)
 {
+	LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
 	g_strip.SpiDmaIsr();
+	LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
 }
 
 void TimerCallback(TimerHandle_t th)
diff --git a/App/WS28xxStrip.h b/App/WS28xxStrip.h
index b34f265..158cd32 100644
--- a/App/WS28xxStrip.h
+++ b/App/WS28xxStrip.h
@@ -23,7 +23,7 @@ struct pixel_t {
 	uint8_t b;
 };
 
-extern "C" void HandleSpiDmaIrq();
+extern "C" void DMA1_Channel3_IRQHandler(void);
 
 template <uint16_t pixels, uint8_t spi_pixels> class WS28xxStrip {
 public:
@@ -31,7 +31,7 @@ public:
 
 	pixel_t& operator[](int16_t index);
 
-	friend void HandleSpiDmaIrq();
+	friend void DMA1_Channel3_IRQHandler(void);
 	void Update();
 
 	static void RefillTaskEntry(void *param) { reinterpret_cast<WS28xxStrip<pixels, spi_pixels>*>(param)->RefillTask(); }
@@ -80,6 +80,8 @@ template <uint16_t pixels, uint8_t spi_pixels> pixel_t& WS28xxStrip<pixels, spi_
 //////////////////////////////////////////////////////////////////////////////
 template <uint16_t pixels, uint8_t spi_pixels> void WS28xxStrip<pixels, spi_pixels>::SpiDmaIsr()
 {
+	LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
+
 	BaseType_t woken;
 
 	if(LL_DMA_IsActiveFlag_TE3(DMA1)) {
@@ -112,6 +114,7 @@ template <uint16_t pixels, uint8_t spi_pixels> void WS28xxStrip<pixels, spi_pixe
 		woken = pdFALSE;
 
 		if(m_task_handle) {
+			LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
 			vTaskNotifyGiveFromISR(m_task_handle, &woken);
 			portYIELD_FROM_ISR(woken);
 		}
@@ -127,17 +130,16 @@ template <uint16_t pixels, uint8_t spi_pixels> void WS28xxStrip<pixels, spi_pixe
 	{
 		if( ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)) > 0)
 		{
+			LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_13);
 			m_endprev = m_endframe;
 
 			uint8_t convert_now = Min((uint8_t)(pixels - m_pixels_converted), spi_pixels);
 
 			if(convert_now)
 			{
-				LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_13);
 				Convert((uint8_t*)&m_pixels[m_pixels_converted],
 						m_spi_buffer[m_buffer_in_transmit ^ 1],
 						convert_now * sizeof(pixel_t));
-				LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_13);
 				m_pixels_converted += convert_now;
 			}
 
@@ -146,6 +148,7 @@ template <uint16_t pixels, uint8_t spi_pixels> void WS28xxStrip<pixels, spi_pixe
 						0, SPI_BUFFER_SIZE - convert_now * SPI_PIXEL_SIZE);
 				m_endframe = true;
 			}
+			LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_13);
 		}
 	}
 }
diff --git a/Inc/stm32f1xx_it.h b/Inc/stm32f1xx_it.h
index 2e5b99f..74836b2 100644
--- a/Inc/stm32f1xx_it.h
+++ b/Inc/stm32f1xx_it.h
@@ -54,7 +54,6 @@ void BusFault_Handler(void);
 void UsageFault_Handler(void);
 void DebugMon_Handler(void);
 void SysTick_Handler(void);
-void DMA1_Channel3_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */
diff --git a/NeoPixelF103MVP.ioc b/NeoPixelF103MVP.ioc
index c572c9c..bdc396f 100644
--- a/NeoPixelF103MVP.ioc
+++ b/NeoPixelF103MVP.ioc
@@ -49,7 +49,7 @@ Mcu.UserName=STM32F103C8Tx
 MxCube.Version=6.0.1
 MxDb.Version=DB.6.0.0
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
-NVIC.DMA1_Channel3_IRQn=true\:1\:0\:true\:false\:true\:false\:false\:true
+NVIC.DMA1_Channel3_IRQn=true\:1\:0\:true\:false\:false\:false\:false\:false
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
diff --git a/Src/stm32f1xx_it.c b/Src/stm32f1xx_it.c
index efb2236..1585dd8 100644
--- a/Src/stm32f1xx_it.c
+++ b/Src/stm32f1xx_it.c
@@ -182,22 +182,6 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f1xx.s).                    */
 /******************************************************************************/
 
-/**
-  * @brief This function handles DMA1 channel3 global interrupt.
-  */
-void DMA1_Channel3_IRQHandler(void)
-{
-  /* USER CODE BEGIN DMA1_Channel3_IRQn 0 */
-  /* SPI1 TX DMA interrupt */
-  HandleSpiDmaIrq();
-
-  /* USER CODE END DMA1_Channel3_IRQn 0 */
-
-  /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */
-
-  /* USER CODE END DMA1_Channel3_IRQn 1 */
-}
-
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */