diff --git a/main.py b/main.py
index 2258927..84e6e11 100644
--- a/main.py
+++ b/main.py
@@ -33,12 +33,11 @@ def transcription(OPENAI_API_KEY, audio_filename):
         print("Transcriptiting audio...")
 
         client = OpenAI(api_key=OPENAI_API_KEY)
-        audio_file = open(audio_filename, "rb")
-
-        transcript = client.audio.transcriptions.create(
-        file=audio_file,
-        model="whisper-1",
-        )
+        with open(audio_filename, "rb") as audio_file:
+            transcript = client.audio.transcriptions.create(
+            file=audio_file,
+            model="whisper-1",
+            )
 
         print("Transcripted audio.")
         return transcript