diff --git a/project/rfid/rfid_reader.cpp b/project/rfid/rfid_reader.cpp
index 0cdbfb6..7788a9d 100644
--- a/project/rfid/rfid_reader.cpp
+++ b/project/rfid/rfid_reader.cpp
@@ -23,6 +23,7 @@ uint32_t rfid_reader::last_id() const
 
 void rfid_reader::loop()
 {
+	stop_thread = false;
 	while(!stop_thread)
 	{
 		if(!mfrc.PICC_IsNewCardPresent())