diff --git a/preferences.xml b/preferences.xml
index 6838d5710..73f5a940d 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -56,7 +56,7 @@ Started September 2000 by David Megginson, david@megginson.com
  <!-- Controls -->
 
  <controls>
-  <mixture>1.0</mixture>
+  <mixture>0.8</mixture>
  </controls>