diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 5464d7ddb..5bec32364 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -549,7 +549,7 @@ void ListenReaderField(uint8_t limit) {
         // iceman,  useless,  since we are measuring readerfield,  not our field.  My tests shows a max of 20v from a reader.
         hf_av = hf_max = AvgAdc(ADC_CHAN_HF_RDV40);
 #else
-        hf_av = hf_max = AvgAdc(ADC_CHAN_HF);    
+        hf_av = hf_max = AvgAdc(ADC_CHAN_HF);
 #endif
         Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10);
         hf_baseline = hf_av;
@@ -1248,7 +1248,7 @@ static void PacketReceived(PacketCommandNG *packet) {
 //            SniffMifare(packet->oldarg[0]);
 //            break;
 //        }
-		case CMD_HF_MIFARE_PERSONALIZE_UID: {
+        case CMD_HF_MIFARE_PERSONALIZE_UID: {
             struct p {
                 uint8_t keytype;
                 uint8_t pers_option;
@@ -1256,8 +1256,8 @@ static void PacketReceived(PacketCommandNG *packet) {
             } PACKED;
             struct p *payload = (struct p *) packet->data.asBytes;
             uint64_t authkey = bytes_to_num(payload->key, 6);
-			MifarePersonalizeUID(payload->keytype, payload->pers_option, authkey);
-			break;
+            MifarePersonalizeUID(payload->keytype, payload->pers_option, authkey);
+            break;
         }
         case CMD_HF_MIFARE_SETMOD: {
             MifareSetMod(packet->data.asBytes);
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 3669e13ea..0136ed6c9 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1811,54 +1811,54 @@ void MifareChkKeys_file(uint8_t *fn) {
 void MifarePersonalizeUID(uint8_t keyType, uint8_t perso_option, uint64_t key) {
 
     uint16_t isOK = PM3_EUNDEF;
-	uint8_t uid[10];
-	uint32_t cuid;
-	struct Crypto1State mpcs = {0, 0};
-	struct Crypto1State *pcs;
-	pcs = &mpcs;
+    uint8_t uid[10];
+    uint32_t cuid;
+    struct Crypto1State mpcs = {0, 0};
+    struct Crypto1State *pcs;
+    pcs = &mpcs;
 
-	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
+    iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
     clear_trace();
     set_tracing(true);
-    
-	LED_A_ON();
 
-	while (true) {
-		if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
-			if (DBGLEVEL >= DBG_ERROR) Dbprintf("Can't select card");
-			break;
-		}
+    LED_A_ON();
 
-		uint8_t block_number = 0;
-		if (mifare_classic_auth(pcs, cuid, block_number, keyType, key, AUTH_FIRST)) {
-			if (DBGLEVEL >= DBG_ERROR) Dbprintf("Auth error");
-			break;
-		}
+    while (true) {
+        if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
+            if (DBGLEVEL >= DBG_ERROR) Dbprintf("Can't select card");
+            break;
+        }
 
-		uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
-		uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
-		int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL);
-		if (len != 1 || receivedAnswer[0] != CARD_ACK) {
-			if (DBGLEVEL >= DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
-			break;;
-		}
+        uint8_t block_number = 0;
+        if (mifare_classic_auth(pcs, cuid, block_number, keyType, key, AUTH_FIRST)) {
+            if (DBGLEVEL >= DBG_ERROR) Dbprintf("Auth error");
+            break;
+        }
+
+        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
+        int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL);
+        if (len != 1 || receivedAnswer[0] != CARD_ACK) {
+            if (DBGLEVEL >= DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
+            break;;
+        }
 
         if (mifare_classic_halt(pcs, cuid)) {
             if (DBGLEVEL >= DBG_ERROR) Dbprintf("Halt error");
             break;
         }
-		isOK = PM3_SUCCESS;
-		break;
-	}
+        isOK = PM3_SUCCESS;
+        break;
+    }
 
-	crypto1_deinit(pcs);
+    crypto1_deinit(pcs);
 
     LED_B_ON();
     reply_ng(CMD_HF_MIFARE_PERSONALIZE_UID, isOK, NULL, 0);
     LED_B_OFF();
 
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-    LEDsoff();    
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+    LEDsoff();
 }
 
 
diff --git a/armsrc/mifaresim.c b/armsrc/mifaresim.c
index 0dcbe404a..0fbfecb85 100644
--- a/armsrc/mifaresim.c
+++ b/armsrc/mifaresim.c
@@ -537,13 +537,13 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t *datain, uint1
 
         // find reader field
         if (cardSTATE == MFEMUL_NOFIELD) {
-            
+
 #if defined RDV4
             vHf = (MAX_ADC_HF_VOLTAGE_RDV40 * AvgAdc(ADC_CHAN_HF_RDV40)) >> 10;
 #else
             vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
 #endif
-          
+
             if (vHf > MF_MINFIELDV) {
                 cardSTATE_TO_IDLE();
                 LED_A_ON();