diff --git a/whisper-2023/microphone_recognition.py b/whisper-2023/microphone_recognition.py
index 2fad802..a1bfacb 100644
--- a/whisper-2023/microphone_recognition.py
+++ b/whisper-2023/microphone_recognition.py
@@ -48,12 +48,12 @@ class Recognizer(threading.Thread):
 
 class Listener():
    def __init__(self):
-      if not environ.get("MIC_NAME", None):
+      self.name = environ.get("MIC_NAME", "pulse_monitor")
+      if not self.name:
          from sys import stdin
          for index, name in enumerate(sr.Microphone.list_microphone_names()):
              print("[{0}] Microphone with name \"{1}\" found for `Microphone(device_index={0})`".format(index, name))
          exit()
-      self.name = environ["MIC_NAME"]
       self._mic = None
 
    def mic(self):