diff --git a/src/effects/AutoDuck.cpp b/src/effects/AutoDuck.cpp
index 974fa9089..4ec4dcb4d 100644
--- a/src/effects/AutoDuck.cpp
+++ b/src/effects/AutoDuck.cpp
@@ -488,6 +488,8 @@ bool EffectAutoDuck::TransferDataToWindow()
       return false;
    }
 
+   mPanel->Refresh(false);
+
    return true;
 }