diff --git a/fairseq/data/audio/data_cfg.py b/fairseq/data/audio/data_cfg.py
index 6be6f6521c..61663e69aa 100644
--- a/fairseq/data/audio/data_cfg.py
+++ b/fairseq/data/audio/data_cfg.py
@@ -118,6 +118,7 @@ def use_audio_input(self):
         raw audio as inputs."""
         return self.config.get("use_audio_input", False)
 
+    @property
     def standardize_audio(self) -> bool:
         return self.use_audio_input and self.config.get("standardize_audio", False)