diff --git a/AfRApay.MateCard/src/readers/pn532.cpp b/AfRApay.MateCard/src/readers/pn532.cpp
index 0bf0ecc..497d724 100644
--- a/AfRApay.MateCard/src/readers/pn532.cpp
+++ b/AfRApay.MateCard/src/readers/pn532.cpp
@@ -6,7 +6,7 @@
 volatile int PN532Reader::irq = 0;
 
 PN532Reader::PN532Reader(uint8_t clk, uint8_t miso, uint8_t mosi, uint8_t ss) {
-	pn532 = new Adafruit_PN532(clk, miso, mosi, ss);
+	pn532 = new Adafruit_PN532(ss, new SPIClass(HSPI));
 }
 
 void PN532Reader::begin() {