X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSliderPanel.java;h=fca410567165d224ee9c8779a65614d05862cf7a;hb=99cb058c4b312055ca758890b10d41428105dabe;hp=79a05dec00e045626f0021ae2606b0463e3a7d33;hpb=07e0b582a6cd570e7bbfa74cb12dc11905d701b3;p=jalview.git

diff --git a/src/jalview/gui/SliderPanel.java b/src/jalview/gui/SliderPanel.java
index 79a05de..fca4105 100755
--- a/src/jalview/gui/SliderPanel.java
+++ b/src/jalview/gui/SliderPanel.java
@@ -50,6 +50,9 @@ public class SliderPanel extends GSliderPanel
 
   public void valueChanged(int i)
   {
+    if(cs == null)
+      return;
+
     ColourSchemeI toChange = null;
     Vector allGroups = null;
     int groupIndex = 0;