diff --git a/src/main.cpp b/src/main.cpp
index ba87add..ac6c88e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2278,7 +2278,7 @@ void gotoLPCD() {
     if (nfc.switchToLPCD(wakeupCounterInMs)) {
         Serial.println(F("switch to low power card detection: success"));
         // configure wakeup pin for deep-sleep wake-up, use ext1
-        esp_sleep_enable_ext1_wakeup(BUTTON_PIN_BITMASK, ESP_EXT1_WAKEUP_ANY_HIGH);
+        esp_sleep_enable_ext1_wakeup((1ULL<<(RFID_IRQ)), ESP_EXT1_WAKEUP_ANY_HIGH);
         // freeze pin states in deep sleep
         gpio_hold_en(gpio_num_t(RFID_CS));  // CS/NSS
         gpio_hold_en(gpio_num_t(RFID_RST)); // RST
@@ -4117,7 +4117,7 @@ void printWakeUpReason() {
             if (nfc14443.switchToLPCD(wakeupCounterInMs)) {
                 loggerNl(serialDebug, (char *) FPSTR(lowPowerCardSuccess), LOGLEVEL_INFO);
                 // configure wakeup pin for deep-sleep wake-up, use ext1
-                esp_sleep_enable_ext1_wakeup(BUTTON_PIN_BITMASK, ESP_EXT1_WAKEUP_ANY_HIGH);
+                esp_sleep_enable_ext1_wakeup((1ULL<<(RFID_IRQ)), ESP_EXT1_WAKEUP_ANY_HIGH);
                 // freeze pin states in deep sleep
                 gpio_hold_en(gpio_num_t(RFID_CS));  // CS/NSS
                 gpio_hold_en(gpio_num_t(RFID_RST)); // RST
diff --git a/src/settings-custom.h b/src/settings-custom.h
index 220c6c2..36d9929 100644
--- a/src/settings-custom.h
+++ b/src/settings-custom.h
@@ -37,7 +37,6 @@
     #define RFID_BUSY                   16          // PN5180 BUSY PIN
     #define RFID_RST                    22          // PN5180 RESET PIN
     #define RFID_IRQ                    39          // PN5180 IRQ PIN (only needed for low power card detection)
-	#define BUTTON_PIN_BITMASK          0x8000000000// 2^RFID_IRQ in hex
 #endif
 // I2S (DAC)
 #define I2S_DOUT                        25          // Digital out (I2S)
diff --git a/src/settings-lolin32.h b/src/settings-lolin32.h
index c50570f..43c6853 100644
--- a/src/settings-lolin32.h
+++ b/src/settings-lolin32.h
@@ -43,7 +43,6 @@
     #define RFID_BUSY                   16          // PN5180 BUSY PIN
     #define RFID_RST                    22          // PN5180 RESET PIN
     #define RFID_IRQ                    39          // PN5180 IRQ PIN (only needed for low power card detection)
-	#define BUTTON_PIN_BITMASK          0x8000000000// 2^RFID_IRQ in hex
 #endif
 // I2S (DAC)
 #define I2S_DOUT                        25          // Digital out (I2S)
diff --git a/src/settings-lolin_d32.h b/src/settings-lolin_d32.h
index 0a1bb70..d9b7fea 100644
--- a/src/settings-lolin_d32.h
+++ b/src/settings-lolin_d32.h
@@ -44,7 +44,6 @@
     #define RFID_BUSY                   16          // PN5180 BUSY PIN
     #define RFID_RST                    22          // PN5180 RESET PIN
     #define RFID_IRQ                    39          // PN5180 IRQ PIN (only needed for low power card detection)
-	#define BUTTON_PIN_BITMASK          0x8000000000// 2^RFID_IRQ in hex
 #endif
 // I2S (DAC)
 #define I2S_DOUT                        25          // Digital out (I2S)
diff --git a/src/settings-lolin_d32_pro.h b/src/settings-lolin_d32_pro.h
index faf26f9..2467b15 100644
--- a/src/settings-lolin_d32_pro.h
+++ b/src/settings-lolin_d32_pro.h
@@ -39,7 +39,6 @@
     #define RFID_BUSY                   33          // PN5180 BUSY PIN
     #define RFID_RST                    22          // PN5180 RESET PIN
     #define RFID_IRQ                    39          // PN5180 IRQ PIN (only needed for low power card detection)
-	#define BUTTON_PIN_BITMASK          0x8000000000// 2^RFID_IRQ in hex
 #endif
 // I2S (DAC)
 #define I2S_DOUT                        25          // Digital out (I2S)