X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fappletgui%2FSeqCanvas.java;h=d4bf49a0651bdea51dccf9ff778f640233945080;hb=607a4aecda2f99866bb1acf7d364a6dde4e215bd;hp=94f1caa37c95d243a211f6fd88afa29e151f04c6;hpb=fd8dc2879b13709703b57dd7ed4b3754b253e12f;p=jalview.git

diff --git a/src/jalview/appletgui/SeqCanvas.java b/src/jalview/appletgui/SeqCanvas.java
index 94f1caa..d4bf49a 100755
--- a/src/jalview/appletgui/SeqCanvas.java
+++ b/src/jalview/appletgui/SeqCanvas.java
@@ -570,7 +570,7 @@ public class SeqCanvas extends Panel implements ViewportListenerI
       if (av.hasHiddenColumns())
       {
         HiddenColumns hidden = av.getAlignment().getHiddenColumns();
-        for (int[] region : hidden)
+        for (int[] region : hidden.getHiddenColumnsCopyAsList())
         {
           int hideStart = region[0];
           int hideEnd = region[1];