X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAlignFrame.java;h=4dc064d9d235efdc6396faefdebbfbbe9e3d1306;hb=ba2f5105391c4421c9d74e5f63505e2a291035b0;hp=71cbcaf6e9e76e51cb36e20060cc760bba810469;hpb=6e514532a128c47d099985375d6126111ef548cb;p=jalview.git

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 71cbcaf..4dc064d 100644
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -4796,8 +4796,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             boolean asSplitFrame = true;
             if (asSplitFrame)
             {
-              AlignFrame copyThis = new AlignFrame(
-                      AlignFrame.this.viewport.getAlignment(),
+              final Alignment copyAlignment = new Alignment(
+                      AlignFrame.this.viewport.getAlignment());
+              AlignFrame copyThis = new AlignFrame(copyAlignment,
                       AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
               copyThis.setTitle(AlignFrame.this.getTitle());
               // SplitFrame with dna above, protein below