diff --git a/lib/Hoymiles/src/HoymilesRadio.cpp b/lib/Hoymiles/src/HoymilesRadio.cpp
index b584c93..32de888 100644
--- a/lib/Hoymiles/src/HoymilesRadio.cpp
+++ b/lib/Hoymiles/src/HoymilesRadio.cpp
@@ -8,8 +8,12 @@ void HoymilesRadio::init()
 {
     _dtuSerial.u64 = 0;
 
+    _hspi.reset(new SPIClass(HSPI));
     _radio.reset(new RF24(HOYMILES_PIN_CE, HOYMILES_PIN_CS));
-    _radio->begin();
+
+    _hspi->begin(HOYMILES_PIN_SCLK, HOYMILES_PIN_MISO, HOYMILES_PIN_MOSI, HOYMILES_PIN_CS);
+    _radio->begin(_hspi.get());
+
     _radio->setDataRate(RF24_250KBPS);
     _radio->enableDynamicPayloads();
     _radio->setCRCLength(RF24_CRC_16);
diff --git a/lib/Hoymiles/src/HoymilesRadio.h b/lib/Hoymiles/src/HoymilesRadio.h
index 52434c2..bea5295 100644
--- a/lib/Hoymiles/src/HoymilesRadio.h
+++ b/lib/Hoymiles/src/HoymilesRadio.h
@@ -14,6 +14,18 @@
 
 #define MAX_RESEND_COUNT 3
 
+#ifndef HOYMILES_PIN_MISO
+#define HOYMILES_PIN_MISO 19
+#endif
+
+#ifndef HOYMILES_PIN_MOSI
+#define HOYMILES_PIN_MOSI 23
+#endif
+
+#ifndef HOYMILES_PIN_SCLK
+#define HOYMILES_PIN_SCLK 18
+#endif
+
 #ifndef HOYMILES_PIN_IRQ
 #define HOYMILES_PIN_IRQ 16
 #endif
@@ -55,6 +67,7 @@ private:
     bool checkFragmentCrc(fragment_t* fragment);
     void dumpBuf(const char* info, uint8_t buf[], uint8_t len);
 
+    std::unique_ptr<SPIClass> _hspi;
     std::unique_ptr<RF24> _radio;
     uint8_t _rxChLst[5] = { 3, 23, 40, 61, 75 };
     uint8_t _rxChIdx;