X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FJalview2XML.java;h=45988fb7ab5d7e6134da00b834d868578a8b6a04;hb=060557f7086fd2aab4fea43ecbf21e2ef4191dd1;hp=637b590b491d4b27a1e117348a6d1fea18f2af78;hpb=5e8ec77d921ff2d604811e5e4ba7e9211b0f48de;p=jalview.git

diff --git a/src/jalview/gui/Jalview2XML.java b/src/jalview/gui/Jalview2XML.java
index 637b590..45988fb 100644
--- a/src/jalview/gui/Jalview2XML.java
+++ b/src/jalview/gui/Jalview2XML.java
@@ -1421,7 +1421,9 @@ public class Jalview2XML
         }
         else
         {
-          for (int[] region : hidden)
+          ArrayList<int[]> hiddenRegions = hidden
+                  .getHiddenColumnsCopy();
+          for (int[] region : hiddenRegions)
           {
             HiddenColumns hc = new HiddenColumns();
             hc.setStart(region[0]);