diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index c8824a81c..cc46ca9ea 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -313,12 +313,13 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
 	//SpinDelay(60);	// greg - experiment to get rid of some of the 0 byte/failed reads
 
 	for(;;) {
+		WDT_HIT();
+
 		if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
 			AT91C_BASE_SSC->SSC_THR = 0x43;
 
 		if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-			int8_t b;
-			b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
+			int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
 
 			// The samples are correlations against I and Q versions of the
 			// tone that the tag AM-modulates, so every other sample is I,
@@ -439,6 +440,8 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
 	//SpinDelay(60);	// greg - experiment to get rid of some of the 0 byte/failed reads
 
 	for(;;) {
+		WDT_HIT();
+
 		if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
 			AT91C_BASE_SSC->SSC_THR = 0x43;