diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 190aa4ea9..48e4d4f71 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -1571,7 +1571,9 @@ int GetIso15693CommandFromReader(uint8_t *received, size_t max_len, uint32_t *eo
             break;
         }
 
-        if (dr->state == STATE_READER_UNSYNCD && data_available()) {
+        if ((dr->state == STATE_READER_UNSYNCD ||
+             dr->state == STATE_READER_AWAIT_1ST_FALLING_EDGE_OF_SOF) &&
+                data_available()) {
             dr->byteCount = -2;
             break;
         }