X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSliderPanel.java;fp=src%2Fjalview%2Fgui%2FSliderPanel.java;h=2176719a6c0c02952bf84cd85f7008feba9f70a1;hb=5a9eb84110b75bca3de6489501c17a499de98054;hp=ec53e93e1e96e0db1b879ff24b694a46a8674ac6;hpb=3eaeb80fba0225aa5c6123a4c512da569211dcfb;p=jalview.git

diff --git a/src/jalview/gui/SliderPanel.java b/src/jalview/gui/SliderPanel.java
index ec53e93..2176719 100755
--- a/src/jalview/gui/SliderPanel.java
+++ b/src/jalview/gui/SliderPanel.java
@@ -365,7 +365,7 @@ public class SliderPanel extends GSliderPanel
     }
     if (forConservation)
     {
-      if (!scheme.conservationApplied())
+      if (!scheme.conservationApplied() && sg != null)
       {
         /*
          * first time the colour scheme has had Conservation shading applied