diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 9479c3c0..50432392 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -837,6 +837,7 @@ static void DecodeReaderInit(uint8_t *data, uint16_t max_len, DecodeReader_t* De
 	DecodeReader->state = STATE_READER_UNSYNCD;
 	DecodeReader->byteCount = 0;
 	DecodeReader->bitCount = 0;
+	DecodeReader->posCount = 0;
 	DecodeReader->shiftReg = 0;
 }