diff --git a/gumble/gumble/client.go b/gumble/gumble/client.go
index e77395b..ad9d0e2 100644
--- a/gumble/gumble/client.go
+++ b/gumble/gumble/client.go
@@ -297,11 +297,16 @@ func (c *Client) EnableStereoEncoder() {
 	c.useStereoEncoder = true
 }
 
-// DisableStereoEncoder switches back to mono encoding for voice.
+// DisableStereoEncoder switches back to mono encoding for voice and
+// resets the stereo encoder so stale state does not bleed into the
+// next file playback.
 func (c *Client) DisableStereoEncoder() {
 	c.volatile.Lock()
 	defer c.volatile.Unlock()
 	c.useStereoEncoder = false
+	if c.AudioEncoderStereo != nil {
+		c.AudioEncoderStereo.Reset()
+	}
 }
 
 // IsStereoEncoderEnabled returns true if stereo encoding is currently active.