diff --git a/gradio/static/js/interfaces/output/audio.js b/gradio/static/js/interfaces/output/audio.js
index 460eede6fe..209732abf0 100644
--- a/gradio/static/js/interfaces/output/audio.js
+++ b/gradio/static/js/interfaces/output/audio.js
@@ -22,7 +22,7 @@ const audio_output = {
     })
   },
   output: function(data) {
-    io.target.find(".player").removeClass("hidden");
+    this.target.find(".player").removeClass("hidden");
     this.wavesurfer.load(data);
   },
   clear: function() {