X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=c46e75236fb5510b8b1df49f55f3b7acc0eef806;hb=607a4aecda2f99866bb1acf7d364a6dde4e215bd;hp=4114385139d7d3855306fb32672575788f6976d9;hpb=fd8dc2879b13709703b57dd7ed4b3754b253e12f;p=jalview.git

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 4114385..c46e752 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -667,7 +667,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
       int blockStart = startRes;
       int blockEnd = endRes;
 
-      for (int[] region : av.getAlignment().getHiddenColumns())
+      for (int[] region : av.getAlignment().getHiddenColumns()
+              .getHiddenColumnsCopyAsList())
       {
         int hideStart = region[0];
         int hideEnd = region[1];