X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAlignmentPanel.java;h=48ec07606adbc956ec59daa9c6cd031f535ad2f9;hb=3623dc53dd6ec79db2eaab7be974d0c9322729f3;hp=8548c426fde26194e0b873c2c0ffc4d16dcf3590;hpb=2bc1c411b0aaec627f60aeaecf5eeaa6233551cc;p=jalview.git

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index 8548c42..48ec076 100755
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -1110,11 +1110,14 @@ public class AlignmentPanel extends GAlignmentPanel
   {
     int seqPanelWidth = seqPanel.seqCanvas.getWidth();
 
-    //If headless, seqPanel will have 0 width
     if (System.getProperty("java.awt.headless") != null
-              && System.getProperty("java.awt.headless").equals("true"))
+        && System.getProperty("java.awt.headless").equals("true"))
     {
-      seqPanelWidth = alignFrame.getWidth() - getVisibleIdWidth();
+      seqPanelWidth = alignFrame.getWidth()
+          - getVisibleIdWidth()
+          - vscroll.getPreferredSize().width
+          - alignFrame.getInsets().left
+          - alignFrame.getInsets().right;
     }
 
     int chunkWidth = seqPanel.seqCanvas.getWrappedCanvasWidth(