diff --git a/GUI/gui.cxx b/GUI/gui.cxx
index 8a4efb385..80d2e5f33 100644
--- a/GUI/gui.cxx
+++ b/GUI/gui.cxx
@@ -163,7 +163,7 @@ void guiInit()
 
     // puSetDefaultStyle         ( PUSTYLE_SMALL_BEVELLED );
     puSetDefaultStyle         ( PUSTYLE_DEFAULT );
-    puSetDefaultColourScheme  (0.2, 0.4, 0.8);
+    puSetDefaultColourScheme  (0.2, 0.4, 0.8, 0.5);
       
     /* OK the rest is largerly put in here to mimick Steve Baker's
        "complex" example It should change in future versions */