check groupsize is non zero

[jalview.git] / src / jalview / appletgui / AlignFrame.java

diff --git a/src/jalview/appletgui/AlignFrame.java b/src/jalview/appletgui/AlignFrame.java
index 079a756..491d2be 100755 (executable)
--- a/src/jalview/appletgui/AlignFrame.java
+++ b/src/jalview/appletgui/AlignFrame.java
@@ -567,7 +567,8 @@ public class AlignFrame
 \r
     int start=0, end = viewport.alignment.getWidth();\r
 \r
-    if(viewport.getSelectionGroup()!=null)\r
+    if(viewport.getSelectionGroup()!=null\r
+     || viewport.getSelectionGroup().sequences.size()<1)\r
     {\r
       seqs = viewport.getSelectionGroup().sequences;\r
       start = viewport.getSelectionGroup().getStartRes();\r