diff --git a/src/SpiDriver/DigitalPin.h b/src/SpiDriver/DigitalPin.h
index 4ab09c95..d44bb575 100644
--- a/src/SpiDriver/DigitalPin.h
+++ b/src/SpiDriver/DigitalPin.h
@@ -275,7 +275,7 @@ inline void fastDigitalToggle(uint8_t pin) {
   fastDigitalWrite(pin, !fastDigitalRead(pin));
 }
 //------------------------------------------------------------------------------
-inline void fastPinMode(pin, mode) {
+inline void fastPinMode(uint8_t pin, uint8_t mode) {
   pinMode(pin, mode);
 }
 #endif  // __AVR__
diff --git a/src/SpiDriver/SdSpiSTM32.cpp b/src/SpiDriver/SdSpiSTM32.cpp
index 6169ced1..60d742cc 100644
--- a/src/SpiDriver/SdSpiSTM32.cpp
+++ b/src/SpiDriver/SdSpiSTM32.cpp
@@ -22,7 +22,7 @@
 #if defined(__STM32F1__)
 #define USE_STM32_DMA 1
 #elif defined(__STM32F4__)
-#define USE_STM32_DMA 0
+#define USE_STM32_DMA 1
 #else  // defined(__STM32F1__)
 #error Unknown STM32 type
 #endif  // defined(__STM32F1__)