diff --git a/lib/NFC/src/NfcReader.cpp b/lib/NFC/src/NfcReader.cpp
index 049f35a..c52af0b 100644
--- a/lib/NFC/src/NfcReader.cpp
+++ b/lib/NFC/src/NfcReader.cpp
@@ -11,8 +11,7 @@ String NfcReader::ReadNfc()
     this->uid.clear();
     if (!this->mfrc522->PICC_IsNewCardPresent() ||
         !this->mfrc522->PICC_ReadCardSerial()) {
-        delay(200);
-        return "0";
+        return ("0");
     }
     for (unsigned int i = 0; i < this->mfrc522->uid.size; i++) {
         if (this->mfrc522->uid.uidByte[i] < 0xF) {