JAL-2591 More refactoring (incomplete)

[jalview.git] / src / jalview / gui / Jalview2XML.java

diff --git a/src/jalview/gui/Jalview2XML.java b/src/jalview/gui/Jalview2XML.java
index 637b590..d18c9b3 100644 (file)
--- 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
+                  .getHiddenColumnsCopyAsList();
+          for (int[] region : hiddenRegions)
           {
             HiddenColumns hc = new HiddenColumns();
             hc.setStart(region[0]);