check groupsize is non zero

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

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 2f7e5a8..9ce03f4 100755 (executable)
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -917,7 +917,8 @@ public class AlignFrame extends GAlignFrame
         int start = 0;\r
         int 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