X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAnnotationLabels.java;h=52a6066db16bd0b27de610615574664aa6938374;hb=6003c80f7fe8bd5d1b8287e9e7126514b0d7e292;hp=e002999e066602c75d9a9fa596b81dc267f77e54;hpb=2e531bf4493e93059becb2cd2238d8dfabd72ea2;p=jalview.git

diff --git a/src/jalview/gui/AnnotationLabels.java b/src/jalview/gui/AnnotationLabels.java
index e002999..52a6066 100755
--- a/src/jalview/gui/AnnotationLabels.java
+++ b/src/jalview/gui/AnnotationLabels.java
@@ -428,7 +428,7 @@ public class AnnotationLabels extends JPanel
       {
         final PAEContactMatrix cm = (PAEContactMatrix) av
                 .getContactMatrix(aa[selectedRow]);
-        if (cm.getNewick()!=null && cm.getNewick().length()>0)
+        if (cm!=null && cm.getNewick()!=null && cm.getNewick().length()>0)
         {
           item = new JMenuItem("Show Tree for Matrix");
           item.addActionListener(new ActionListener()