diff --git a/src/dsp408/client/dsp408.rs b/src/dsp408/client/dsp408.rs
index 36a7bd6..6e10335 100644
--- a/src/dsp408/client/dsp408.rs
+++ b/src/dsp408/client/dsp408.rs
@@ -440,7 +440,9 @@ impl DSP408 {
                     }
                 }
             }
-            types::DSPMode::Demo => {}
+            types::DSPMode::Demo => {
+                self.state = default_dsp_state();
+            }
             types::DSPMode::Disconnected => {
                 return Err(DSPError::NotConnected);
             }