X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqPanel.java;h=08e11945428980d43b6c09617e78c1c953e0e5c0;hb=81029aa176cd9a4553e297f7be95931dddc89974;hp=7020265eed4f89889aa54701d42c1345c191d6e3;hpb=b9cd85ce07264ecb77d6c9943f37372f66124983;p=jalview.git

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 7020265..08e1194 100644
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -2763,7 +2763,7 @@ public class SeqPanel extends JPanel
      * Map sequence selection
      */
     SequenceGroup sg = MappingUtils.mapSequenceGroup(seqsel, sourceAv, av);
-    av.setSelectionGroup(sg);
+    av.setSelectionGroup(sg != null && sg.getSize() > 0 ? sg : null);
     av.isSelectionGroupChanged(true);
 
     /*