diff --git a/src/main/drivers/light_ws2811strip.c b/src/main/drivers/light_ws2811strip.c
index 6c8f2bb18a..b41dc21c9e 100644
--- a/src/main/drivers/light_ws2811strip.c
+++ b/src/main/drivers/light_ws2811strip.c
@@ -39,7 +39,11 @@
 #include "drivers/dma.h"
 #include "drivers/light_ws2811strip.h"
 
+#if defined(STM32F4)
+uint32_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
+#else
 uint8_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
+#endif
 volatile uint8_t ws2811LedDataTransferInProgress = 0;
 
 static hsvColor_t ledColorBuffer[WS2811_LED_STRIP_LENGTH];
diff --git a/src/main/drivers/light_ws2811strip.h b/src/main/drivers/light_ws2811strip.h
index 853ac7acbc..c24712502c 100644
--- a/src/main/drivers/light_ws2811strip.h
+++ b/src/main/drivers/light_ws2811strip.h
@@ -51,5 +51,9 @@ void setStripColors(const hsvColor_t *colors);
 
 bool isWS2811LedStripReady(void);
 
+#if defined(STM32F4)
+extern uint32_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
+#else
 extern uint8_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
+#endif
 extern volatile uint8_t ws2811LedDataTransferInProgress;
diff --git a/src/main/drivers/light_ws2811strip_stm32f4xx.c b/src/main/drivers/light_ws2811strip_stm32f4xx.c
index 63bcd9cee6..d1ea43d7ae 100644
--- a/src/main/drivers/light_ws2811strip_stm32f4xx.c
+++ b/src/main/drivers/light_ws2811strip_stm32f4xx.c
@@ -50,7 +50,7 @@ static void WS2811_DMA_IRQHandler(dmaChannelDescriptor_t *descriptor)
     if (DMA_GET_FLAG_STATUS(descriptor, DMA_IT_TCIF)) {
         ws2811LedDataTransferInProgress = 0;
         DMA_Cmd(descriptor->stream, DISABLE);
-        TIM_DMACmd(TIM5, TIM_DMA_CC1, DISABLE);
+        TIM_DMACmd(WS2811_TIMER, timDMASource, DISABLE);
         DMA_CLEAR_FLAG(descriptor, DMA_IT_TCIF);
     }
 }