diff --git a/adafruit_fruitjam/peripherals.py b/adafruit_fruitjam/peripherals.py
index d937b3a..096565b 100644
--- a/adafruit_fruitjam/peripherals.py
+++ b/adafruit_fruitjam/peripherals.py
@@ -224,7 +224,9 @@ def __init__(  # noqa: PLR0913, PLR0912
             except OSError:
                 # sdcard init or mounting failed
                 self._sd_mounted = False
+
         self._mp3_decoder = None
+        self.wavfile = None
 
     @property
     def button1(self) -> bool: