diff --git a/tasmota/xsns_40_pn532.ino b/tasmota/xsns_40_pn532.ino
index 3c29d4c82..8fd4e450d 100644
--- a/tasmota/xsns_40_pn532.ino
+++ b/tasmota/xsns_40_pn532.ino
@@ -495,7 +495,7 @@ void PN532_ScanForTag(void)
 #endif // USE_PN532_DATA_FUNCTION
 
 #ifdef USE_PN532_DATA_FUNCTION
-      ResponseTime_P(PSTR(",\"PN532\":{\"UID\":\"%s\", \"DATA\":\"%s\"}}"), uids, card_datas);
+      ResponseTime_P(PSTR(",\"PN532\":{\"UID\":\"%s\", \"" D_JSON_DATA "\":\"%s\"}}"), uids, card_datas);
 #else
       ResponseTime_P(PSTR(",\"PN532\":{\"UID\":\"%s\"}}"), uids);
 #endif // USE_PN532_DATA_FUNCTION