diff --git a/mvDecryptor.py b/mvDecryptor.py
index c747ad4..94f1855 100644
--- a/mvDecryptor.py
+++ b/mvDecryptor.py
@@ -22,7 +22,7 @@ def decryptFilename(encryptedFilename): # Function for "Decrypting" a filename
     if encryptedFilename.endswith(".rpgmvo"): # If file extension is .rpgmvo
         return encryptedFilename[:-7]+".ogg" # Make .ogg file.
     if encryptedFilename.endswith(".rpgmvm"): # If file extension is .rpgmvm
-        return encryptedFilename[:-7] + ".mp3" # Make .mp3 file.
+        return encryptedFilename[:-7] + ".m4a" # Make .m4a file.
     if encryptedFilename.endswith(".rpgmvp"): # If file extension is .rpgmvp
         return encryptedFilename[:-7] + ".png" # Make .png file.